Question: 恒瑞医药2019年12月27日至2020年12月18日, 对于指数移动平均的60日线和20日线，有多少次死叉？（平滑系数 alpha 取 2 / (n + 1)；从前 4n 个数据开始计算；初始值用首个数据点）使用不复权价格，写出指标公式，搜集原始数据，计算得出答案，保留四位小数。注意列出原始数据和关键计算过程。
Formula: EMA_t = \alpha * P_t + (1 - \alpha) * EMA_{t-1}，\alpha = 2 / (n + 1)
Data:
date,close
2019-01-03,51.07
2019-01-04,54.35
2019-01-07,53.57
2019-01-08,53.98
2019-01-09,55.53
2019-01-10,56.27
2019-01-11,55.95
2019-01-14,54.33
2019-01-15,56.44
2019-01-16,57.47
2019-01-17,57.36
2019-01-18,59.17
2019-01-21,59.07
2019-01-22,57.69
2019-01-23,58.02
2019-01-24,59.38
2019-01-25,58.99
2019-01-28,54.82
2019-01-29,57.18
2019-01-30,57.4
2019-01-31,59.05
2019-02-01,60.82
2019-02-11,61.85
2019-02-12,63.5
2019-02-13,65.59
2019-02-14,65.8
2019-02-15,64.29
2019-02-18,66.83
2019-02-19,65.93
2019-02-20,64.95
2019-02-21,65.44
2019-02-22,66.3
2019-02-25,68.5
2019-02-26,68.0
2019-02-27,68.8
2019-02-28,71.9
2019-03-01,72.0
2019-03-04,72.27
2019-03-05,72.12
2019-03-06,71.25
2019-03-07,70.38
2019-03-08,69.66
2019-03-11,70.3
2019-03-12,69.81
2019-03-13,69.88
2019-03-14,70.06
2019-03-15,71.52
2019-03-18,74.1
2019-03-19,72.1
2019-03-20,72.72
2019-03-21,72.4
2019-03-22,73.13
2019-03-25,71.2
2019-03-26,71.55
2019-03-27,74.36
2019-03-28,64.65
2019-03-29,65.42
2019-04-01,65.75
2019-04-02,65.28
2019-04-03,65.58
2019-04-04,66.14
2019-04-08,63.98
2019-04-09,64.82
2019-04-10,65.73
2019-04-11,63.98
2019-04-12,64.62
2019-04-15,63.35
2019-04-16,64.86
2019-04-17,64.53
2019-04-18,64.13
2019-04-19,64.45
2019-04-22,62.14
2019-04-23,62.84
2019-04-24,62.85
2019-04-25,63.9
2019-04-26,62.33
2019-04-29,65.32
2019-04-30,65.75
2019-05-06,64.2
2019-05-07,66.14
2019-05-08,64.23
2019-05-09,62.5
2019-05-10,64.12
2019-05-13,64.17
2019-05-14,63.03
2019-05-15,65.41
2019-05-16,64.28
2019-05-17,62.76
2019-05-20,60.25
2019-05-21,60.81
2019-05-22,61.06
2019-05-23,59.61
2019-05-24,60.07
2019-05-27,61.2
2019-05-28,62.52
2019-05-29,61.91
2019-05-30,61.91
2019-05-31,62.16
2019-06-03,63.22
2019-06-04,62.03
2019-06-05,59.0
2019-06-06,57.98
2019-06-10,58.63
2019-06-11,60.12
2019-06-12,60.35
2019-06-13,61.3
2019-06-14,61.28
2019-06-17,61.6
2019-06-18,62.59
2019-06-19,64.38
2019-06-20,65.51
2019-06-21,65.9
2019-06-24,66.06
2019-06-25,66.03
2019-06-26,66.5
2019-06-27,66.9
2019-06-28,66.0
2019-07-01,68.23
2019-07-02,70.21
2019-07-03,68.37
2019-07-04,66.11
2019-07-05,67.4
2019-07-08,66.5
2019-07-09,66.48
2019-07-10,67.41
2019-07-11,66.66
2019-07-12,66.45
2019-07-15,67.38
2019-07-16,66.06
2019-07-17,66.24
2019-07-18,66.02
2019-07-19,66.02
2019-07-22,66.54
2019-07-23,66.05
2019-07-24,66.6
2019-07-25,66.72
2019-07-26,66.82
2019-07-29,66.65
2019-07-30,66.96
2019-07-31,66.94
2019-08-01,66.73
2019-08-02,66.04
2019-08-05,64.1
2019-08-06,64.74
2019-08-07,65.5
2019-08-08,66.66
2019-08-09,66.88
2019-08-12,67.25
2019-08-13,67.06
2019-08-14,68.69
2019-08-15,69.0
2019-08-16,69.12
2019-08-19,71.94
2019-08-20,71.96
2019-08-21,71.71
2019-08-22,71.73
2019-08-23,76.6
2019-08-26,75.55
2019-08-27,75.8
2019-08-28,77.12
2019-08-29,76.94
2019-08-30,80.05
2019-09-02,79.61
2019-09-03,78.5
2019-09-04,78.28
2019-09-05,78.48
2019-09-06,80.11
2019-09-09,79.25
2019-09-10,80.57
2019-09-11,78.09
2019-09-12,78.6
2019-09-16,79.76
2019-09-17,79.03
2019-09-18,79.81
2019-09-19,80.14
2019-09-20,81.5
2019-09-23,81.1
2019-09-24,82.5
2019-09-25,82.83
2019-09-26,81.31
2019-09-27,81.05
2019-09-30,80.68
2019-10-08,80.35
2019-10-09,78.69
2019-10-10,83.0
2019-10-11,83.39
2019-10-14,83.56
2019-10-15,85.25
2019-10-16,85.97
2019-10-17,85.8
2019-10-18,84.27
2019-10-21,82.61
2019-10-22,83.69
2019-10-23,82.78
2019-10-24,82.71
2019-10-25,87.54
2019-10-28,91.08
2019-10-29,90.76
2019-10-30,90.18
2019-10-31,90.88
2019-11-01,92.5
2019-11-04,92.2
2019-11-05,91.3
2019-11-06,91.19
2019-11-07,90.58
2019-11-08,91.3
2019-11-11,88.88
2019-11-12,89.67
2019-11-13,91.39
2019-11-14,94.33
2019-11-15,92.7
2019-11-18,92.9
2019-11-19,95.63
2019-11-20,95.0
2019-11-21,92.6
2019-11-22,88.98
2019-11-25,88.12
2019-11-26,88.9
2019-11-27,89.65
2019-11-28,89.68
2019-11-29,85.9
2019-12-02,83.73
2019-12-03,84.55
2019-12-04,85.65
2019-12-05,85.91
2019-12-06,87.1
2019-12-09,83.62
2019-12-10,84.5
2019-12-11,85.0
2019-12-12,85.1
2019-12-13,86.85
2019-12-16,85.25
2019-12-17,86.04
2019-12-18,84.75
2019-12-19,84.86
2019-12-20,84.9
2019-12-23,85.23
2019-12-24,84.5
2019-12-25,83.38
2019-12-26,84.38
2019-12-27,84.38
2019-12-30,85.5
2019-12-31,87.52
2020-01-02,87.68
2020-01-03,85.95
2020-01-06,84.09
2020-01-07,84.87
2020-01-08,84.68
2020-01-09,86.88
2020-01-10,87.5
2020-01-13,87.84
2020-01-14,86.51
2020-01-15,86.93
2020-01-16,86.44
2020-01-17,90.66
2020-01-20,90.1
2020-01-21,90.37
2020-01-22,90.33
2020-01-23,87.99
2020-02-03,85.46
2020-02-04,86.75
2020-02-05,88.91
2020-02-06,90.09
2020-02-07,89.65
2020-02-10,88.5
2020-02-11,90.15
2020-02-12,92.96
2020-02-13,91.45
2020-02-14,91.55
2020-02-17,92.38
2020-02-18,90.6
2020-02-19,89.68
2020-02-20,90.8
2020-02-21,90.2
2020-02-24,88.38
2020-02-25,88.31
2020-02-26,86.68
2020-02-27,87.21
2020-02-28,84.09
2020-03-02,85.2
2020-03-03,88.34
2020-03-04,87.8
2020-03-05,91.7
2020-03-06,92.25
2020-03-09,88.89
2020-03-10,90.6
2020-03-11,89.03
2020-03-12,86.38
2020-03-13,84.7
2020-03-16,82.05
2020-03-17,81.09
2020-03-18,80.6
2020-03-19,79.0
2020-03-20,80.16
2020-03-23,82.3
2020-03-24,85.66
2020-03-25,88.97
2020-03-26,90.28
2020-03-27,90.89
2020-03-30,90.7
2020-03-31,92.03
2020-04-01,90.0
2020-04-02,91.85
2020-04-03,93.73
2020-04-07,95.5
2020-04-08,94.78
2020-04-09,96.79
2020-04-10,96.21
2020-04-13,96.67
2020-04-14,98.49
2020-04-15,97.43
2020-04-16,97.41
2020-04-17,96.6
2020-04-20,96.7
2020-04-21,95.3
2020-04-22,97.5
2020-04-23,96.05
2020-04-24,95.28
2020-04-27,96.35
2020-04-28,96.05
2020-04-29,93.39
2020-04-30,93.0
2020-05-06,96.42
2020-05-07,96.6
2020-05-08,97.05
2020-05-11,93.68
2020-05-12,95.44
2020-05-13,95.7
2020-05-14,97.2
2020-05-15,94.83
2020-05-18,97.2
2020-05-19,97.94
2020-05-20,97.9
2020-05-21,99.74
2020-05-22,95.88
2020-05-25,80.95
2020-05-26,81.5
2020-05-27,79.87
2020-05-28,78.5
2020-05-29,78.7
2020-06-01,80.22
2020-06-02,80.4
2020-06-03,80.17
2020-06-04,81.2
2020-06-05,82.3
2020-06-08,80.3
2020-06-09,82.97
2020-06-10,84.54
2020-06-11,84.46
2020-06-12,85.84
2020-06-15,84.24
2020-06-16,87.14
2020-06-17,89.65
2020-06-18,89.3
2020-06-19,92.98
2020-06-22,93.23
2020-06-23,94.5
2020-06-24,92.95
2020-06-29,92.23
2020-06-30,92.3
2020-07-01,91.05
2020-07-02,91.2
2020-07-03,91.88
2020-07-06,93.13
2020-07-07,97.29
2020-07-08,97.06
2020-07-09,98.51
2020-07-10,99.35
2020-07-13,99.82
2020-07-14,98.43
2020-07-15,102.99
2020-07-16,96.35
2020-07-17,96.33
2020-07-20,96.49
2020-07-21,99.3
2020-07-22,99.37
2020-07-23,99.37
2020-07-24,94.79
2020-07-27,95.39
2020-07-28,94.6
2020-07-29,95.85
2020-07-30,94.97
2020-07-31,94.38
2020-08-03,93.2
2020-08-04,93.98
2020-08-05,92.79
2020-08-06,91.0
2020-08-07,91.2
2020-08-10,90.79
2020-08-11,91.78
2020-08-12,90.01
2020-08-13,88.88
2020-08-14,89.5
2020-08-17,90.9
2020-08-18,93.4
2020-08-19,92.73
2020-08-20,91.7
2020-08-21,91.8
2020-08-24,92.42
2020-08-25,93.99
2020-08-26,94.58
2020-08-27,94.11
2020-08-28,95.39
2020-08-31,94.87
2020-09-01,93.99
2020-09-02,94.7
2020-09-03,95.0
2020-09-04,93.51
2020-09-07,91.6
2020-09-08,92.33
2020-09-09,90.3
2020-09-10,90.74
2020-09-11,91.81
2020-09-14,91.36
2020-09-15,91.1
2020-09-16,89.74
2020-09-17,86.29
2020-09-18,88.98
2020-09-21,88.5
2020-09-22,89.3
2020-09-23,89.84
2020-09-24,87.86
2020-09-25,88.45
2020-09-28,88.58
2020-09-29,89.89
2020-09-30,89.82
2020-10-09,91.95
2020-10-12,94.2
2020-10-13,93.7
2020-10-14,93.0
2020-10-15,93.16
2020-10-16,93.1
2020-10-19,91.52
2020-10-20,91.01
2020-10-21,89.58
2020-10-22,89.56
2020-10-23,88.15
2020-10-26,89.18
2020-10-27,89.23
2020-10-28,91.36
2020-10-29,91.04
2020-10-30,88.84
2020-11-02,89.23
2020-11-03,90.15
2020-11-04,90.17
2020-11-05,91.2
2020-11-06,88.89
2020-11-09,89.37
2020-11-10,87.95
2020-11-11,86.17
2020-11-12,86.55
2020-11-13,85.5
2020-11-16,85.63
2020-11-17,85.53
2020-11-18,86.61
2020-11-19,87.3
2020-11-20,86.91
2020-11-23,86.12
2020-11-24,87.17
2020-11-25,86.13
2020-11-26,86.0
2020-11-27,86.95
2020-11-30,85.99
2020-12-01,87.61
2020-12-02,87.53
2020-12-03,89.99
2020-12-04,91.32
2020-12-07,89.88
2020-12-08,90.07
2020-12-09,88.24
2020-12-10,89.0
2020-12-11,89.5
2020-12-14,90.11
2020-12-15,97.02
2020-12-16,97.01
2020-12-17,105.18
2020-12-18,105.66

Indicator data:
date,60日,20日
2019-04-03,64.94169163669257,68.7070629422423
2019-04-04,64.98098043548953,68.46258075726685
2019-04-08,64.94816140481774,68.03566830419382
2019-04-09,64.94395939154502,67.72941417998489
2019-04-10,64.96973121477305,67.5389937818911
2019-04-11,64.93728101101,67.20004199313956
2019-04-12,64.92687835491131,66.95432370807866
2019-04-15,64.87517742524209,66.61105478349974
2019-04-16,64.87467980474234,66.44428766126167
2019-04-17,64.86337882753767,66.26197455066531
2019-04-18,64.83933362007741,66.05892935536386
2019-04-19,64.82656858335356,65.90569798818635
2019-04-22,64.7384843675059,65.54706008454956
2019-04-23,64.67623897840734,65.28924483840198
2019-04-24,64.6163622905907,65.05693580617323
2019-04-25,64.59287500237461,64.94675144368054
2019-04-26,64.51868237934593,64.69753702047288
2019-04-29,64.54495508821984,64.75681920899927
2019-04-30,64.58446475745853,64.85140785576125
2019-05-06,64.57185935557465,64.78936901235542
2019-05-07,64.62327380293286,64.91800053498824
2019-05-08,64.61037957988587,64.85247667451317
2019-05-09,64.54118680677486,64.62843127694049
2019-05-10,64.52737740327404,64.5800092505652
2019-05-13,64.51566011136342,64.54096075051137
2019-05-14,64.46694994377773,64.39705972665315
2019-05-15,64.49786961775223,64.49353022887666
2019-05-16,64.49072635159642,64.4731940166027
2019-05-17,64.43398122531457,64.31003268168816
2019-05-20,64.29680151300917,63.92336290247977
2019-05-21,64.1824801519269,63.62685214986264
2019-05-22,64.08010375350307,63.382390040351915
2019-05-23,63.933542974699684,63.02311479841364
2019-05-24,63.8068694345456,62.7418657699933
2019-05-27,63.721398305544106,62.595021410946316
2019-05-28,63.68200819716561,62.587876514665716
2019-05-29,63.62390956775034,62.52331684660231
2019-05-30,63.56771581143065,62.46490571835447
2019-05-31,63.52156119466243,62.435867078511194
2019-06-03,63.511673942378415,62.51054640436727
2019-06-04,63.46309446885781,62.464780080141814
2019-06-05,63.31676350266575,62.134801024890216
2019-06-06,63.141787650119326,61.73910568918639
2019-06-10,62.99386018618099,61.44300038545435
2019-06-11,62.89963526204391,61.31700034874441
2019-06-12,62.81604066328836,61.224905077435416
2019-06-13,62.766334412033004,61.23205697482252
2019-06-14,62.71760213622864,61.23662297722037
2019-06-17,62.68095944323754,61.27123031272319
2019-06-18,62.67797716641008,61.39682742579717
2019-06-19,62.733781193740896,61.680939099530775
2019-06-20,62.82480476115923,62.04561156624213
2019-06-21,62.92563083456385,62.41269617898098
2019-06-24,63.02839703670929,62.760058447649456
2019-06-25,63.126810248620465,63.071481452635226
2019-06-26,63.2374066339116,63.39800702857473
2019-06-27,63.357491662307936,63.73153016871047
2019-06-28,63.44413127993718,63.947574914547566
2019-07-01,63.60104500846383,64.35542492268588
2019-07-02,63.817732057366655,64.9130035014777
2019-07-03,63.96698674401037,65.24224126324174
2019-07-04,64.03724947371495,65.32488495245681
2019-07-05,64.14750358933085,65.52251495698474
2019-07-08,64.22463461918886,65.61560877060523
2019-07-09,64.2985810251171,65.69793174483331
2019-07-10,64.4005947619985,65.86098586437299
2019-07-11,64.47467362226085,65.93708244871843
2019-07-12,64.53943842153099,65.98593173931667
2019-07-15,64.63257158803818,66.11870014509603
2019-07-16,64.6793725195779,66.11310965508689
2019-07-17,64.7305406336901,66.12519444984052
2019-07-18,64.77281798996255,66.11517593080809
2019-07-19,64.81370920340639,66.10611155644541
2019-07-22,64.87030890165536,66.14743426535537
2019-07-23,64.9089872983224,66.138154811512
2019-07-24,64.96443033772167,66.18214006755846
2019-07-25,65.02198999877997,66.23336482302909
2019-07-26,65.08094114636096,66.28923483988346
2019-07-29,65.13238569893929,66.32359342656123
2019-07-30,65.19230747930193,66.38420357641255
2019-07-31,65.24960887342318,66.43713656913516
2019-08-01,65.29814628740931,66.46502832445563
2019-08-02,65.32246935995326,66.42454943641224
2019-08-05,65.28238839733184,66.20316377580154
2019-08-06,65.26460517118981,66.06381484477282
2019-08-07,65.27232303442949,66.01011819288969
2019-08-08,65.31782063985803,66.07201169832877
2019-08-09,65.36903963527251,66.1489629651546
2019-08-12,65.43071046690292,66.25382363513987
2019-08-13,65.48412979585693,66.33060233655512
2019-08-14,65.58924029435342,66.55530687593082
2019-08-15,65.70106848142379,66.78813479250884
2019-08-16,65.81316459678693,67.01021719322229
2019-08-19,66.0140444460726,67.4797203176773
2019-08-20,66.20899380849644,67.90641362075566
2019-08-21,66.38935466723426,68.26865994258846
2019-08-22,66.56445779289871,68.59831137662765
2019-08-23,66.89349196362333,69.36037695980596
2019-08-26,67.17731189924224,69.94986486839586
2019-08-27,67.46002298451299,70.50702059521531
2019-08-28,67.77674354239781,71.13682815757576
2019-08-29,68.07717818035198,71.6895111901876
2019-08-30,68.4697297154224,72.48574821969355
2019-09-02,68.83498447885117,73.16424838924655
2019-09-03,69.15187023364292,73.67241520931832
2019-09-04,69.45115317680217,74.11123280843087
2019-09-05,69.74718094149716,74.5273058742946
2019-09-06,70.08694550079234,75.05899102912367
2019-09-09,70.3873735171598,75.45813474063571
2019-09-10,70.72123012315457,75.94497905105136
2019-09-11,70.96282913551015,76.14926676047504
2019-09-12,71.21322818024751,76.38266992614409
2019-09-16,71.49345020712464,76.70432040936846
2019-09-17,71.74055020033367,76.92581370371433
2019-09-18,72.0051223249129,77.20049811288439
2019-09-19,72.27183962573542,77.48045067356207
2019-09-20,72.57440226095721,77.86326489512759
2019-09-23,72.85393005567992,78.17152538130591
2019-09-24,73.1701946440183,78.58376105927678
2019-09-25,73.4869095737226,78.98816476791708
2019-09-26,73.74340434179726,79.20929193287735
2019-09-27,73.98296485518095,79.3845974630795
2019-09-30,74.2025397779619,79.5079691332624
2019-10-08,74.40409585081561,79.58816254914218
2019-10-09,74.54461729832984,79.50262325874769
2019-10-10,74.82184296067967,79.83570675791456
2019-10-11,75.10276614229673,80.17421087620842
2019-10-14,75.380052498287,80.4966669832362
2019-10-15,75.70365733440875,80.94936536578513
2019-10-16,76.04025873328058,81.42752104523417
2019-10-17,76.36025025022221,81.84394761235473
2019-10-18,76.61958630759196,82.0750002207019
2019-10-21,76.81599331390042,82.12595258063504
2019-10-22,77.04137058229713,82.27490947771742
2019-10-23,77.22952236648412,82.32301333698241
2019-10-24,77.40921015774693,82.35986920965075
2019-10-25,77.74136720175522,82.85321499920784
2019-10-28,78.17869942464849,83.63671833261661
2019-10-29,78.59120108285673,84.31512611046264
2019-10-30,78.97116170309093,84.87368552851382
2019-10-31,79.36161541774368,85.44571547817917
2019-11-01,79.79238212535863,86.11755209930496
2019-11-04,80.1991892687895,86.6968328517521
2019-11-05,80.56315027637017,87.13522972301381
2019-11-06,80.91157157878425,87.52139832082202
2019-11-07,81.22856923193886,87.81269371883897
2019-11-08,81.55878007679333,88.1448181265686
2019-11-11,81.79882007427551,88.21483544784778
2019-11-12,82.05689154725007,88.35342254805275
2019-11-13,82.36289510307793,88.64262040061915
2019-11-14,82.75525919805898,89.18427560056018
2019-11-15,83.08131627353247,89.51910649574492
2019-11-18,83.40324033013796,89.84109635329303
2019-11-19,83.80411769636295,90.39242051012226
2019-11-20,84.17119580467892,90.83123760439634
2019-11-21,84.44755004059107,90.99969116588241
2019-11-22,84.596154957293,90.80733962627455
2019-11-25,84.71169086033257,90.55140251901031
2019-11-26,84.84901247146921,90.39412608862838
2019-11-27,85.00642189863414,90.32325693733044
2019-11-28,85.15965396753138,90.2619943718704
2019-11-29,85.18392760794019,89.84656633645417
2019-12-02,85.13625785030281,89.26403620917283
2019-12-03,85.11703628144042,88.8150803797278
2019-12-04,85.13451050172105,88.51364415308706
2019-12-05,85.15993638691052,88.26567804326925
2019-12-06,85.22354502996262,88.1546610867674
2019-12-09,85.1709697830786,87.72278860231337
2019-12-10,85.14897077379733,87.415856354474
2019-12-11,85.14408648613184,87.18577479690504
2019-12-12,85.14264102757014,86.98712957815218
2019-12-13,85.19862001027276,86.97406961832816
2019-12-16,85.20030460009988,86.80987251182071
2019-12-17,85.22783559681791,86.73655132021874
2019-12-18,85.21216885593863,86.54735595638839
2019-12-19,85.20062233607179,86.3866553891133
2019-12-20,85.19076586603666,86.2450691615787
2019-12-23,85.19205223108463,86.14839590809501
2019-12-24,85.16936199399989,85.99140582160977
2019-12-25,85.11069438763924,85.74270050526599
2019-12-26,85.0867371946019,85.61291950476446
2019-12-27,85.06356548330346,85.4954985995488
2019-12-30,85.07787481171974,85.49592730435367
2019-12-31,85.15794449002401,85.68869613251047
2020-01-02,85.24063483461337,85.87834411989043
2020-01-03,85.26389270888833,85.88516848942467
2020-01-06,85.22540442335101,85.71420006186042
2020-01-07,85.21375181930671,85.63380005596895
2020-01-08,85.1962517596573,85.54296195540049
2020-01-09,85.2514566199964,85.67029891202901
2020-01-10,85.32517935376701,85.84455615850243
2020-01-13,85.40763248970907,86.03459842912125
2020-01-14,85.4437756867678,86.07987476920495
2020-01-15,85.49250435277541,86.16083907689972
2020-01-16,85.52356978383196,86.1874258314807
2020-01-17,85.69197733190305,86.61338527610158
2020-01-20,85.83650266528326,86.94544382123476
2020-01-21,85.98514192215922,87.27159202873622
2020-01-22,86.1275962853671,87.5628689783804
2020-01-23,86.18865870224032,87.60354812329655
2020-02-03,86.16476825298653,87.39940068298259
2020-02-04,86.18395617911811,87.33755299888901
2020-02-05,86.27333466504867,87.48730985613768
2020-02-06,86.39847123340773,87.7351851079341
2020-02-07,86.50507873395173,87.91754843098799
2020-02-10,86.57048598857627,87.97302000898914
2020-02-11,86.68784710370491,88.18035143670446
2020-02-12,86.89349146096049,88.63555606178022
2020-02-13,87.04288518355195,88.90359834161069
2020-02-14,87.19065943982893,89.15563659479062
2020-02-17,87.36080175327716,89.46271882385818
2020-02-18,87.46700497448118,89.57103131682408
2020-02-19,87.53956218843263,89.58140928665036
2020-02-20,87.64646178881188,89.6974655450646
2020-02-21,87.73018435311312,89.74532596934417
2020-02-24,87.75148978415858,89.61529492464473
2020-02-25,87.76980159451402,89.49098112229761
2020-02-26,87.73407039469389,89.22326863445974
2020-02-27,87.71688775880229,89.0315287645112
2020-02-28,87.59797340605466,88.56090697741489
2020-03-02,87.51935132716763,88.24082059861347
2020-03-03,87.54625784103098,88.25026625588836
2020-03-04,87.55457725607914,88.20738375532756
2020-03-05,87.69049275587982,88.54001387386779
2020-03-06,87.83998479667063,88.8933458858804
2020-03-09,87.87441152464864,88.89302723008225
2020-03-10,87.96377508121753,89.05559606531251
2020-03-11,87.99873327527597,89.05315834480656
2020-03-12,87.94566005313577,88.79857183577735
2020-03-13,87.83924496942639,88.40823166094141
2020-03-16,87.64943365895338,87.8026857884708
2020-03-17,87.43437026029918,87.16338238004501
2020-03-18,87.21029254684674,86.53829834385024
2020-03-19,86.941102627278,85.82036516824546
2020-03-20,86.71877139359674,85.2812827712697
2020-03-23,86.573893642987,84.99735107876782
2020-03-24,86.54392991698744,85.06046049983756
2020-03-25,86.62347319839768,85.43279759509112
2020-03-26,86.74335932304037,85.89443591936815
2020-03-27,86.87931475507183,86.37020392704737
2020-03-30,87.004583123758,86.78256545780476
2020-03-31,87.16935089019215,87.28232112849003
2020-04-01,87.26215905772683,87.54114768768144
2020-04-02,87.41258007222758,87.95151457456893
2020-04-03,87.61970859444962,88.50184651984807
2020-04-07,87.87807880446766,89.1683373274816
2020-04-08,88.10437130268183,89.70278139153098
2020-04-09,88.3891460140693,90.37775459233754
2020-04-10,88.64556745623096,90.93320653592443
2020-04-13,88.908663605207,91.47956781821733
2020-04-14,89.22280578208544,92.14722802600616
2020-04-15,89.49189411709904,92.65034916638652
2020-04-16,89.7515041460466,93.10364924577829
2020-04-17,89.97604499371721,93.43663503189464
2020-04-20,90.19650253490681,93.74743169552372
2020-04-21,90.36383032064757,93.89529534356907
2020-04-22,90.59780309701978,94.23860054894345
2020-04-23,90.77656365121584,94.41111478237741
2020-04-24,90.92421730199564,94.49386575548434
2020-04-27,91.10211181668431,94.67064044543821
2020-04-28,91.26433765876023,94.80200802206313
2020-04-29,91.33403150601399,94.66753106758094
2020-04-30,91.38865342384959,94.50871858495418
2020-05-06,91.55361560667419,94.69074538638712
2020-05-07,91.71907083268488,94.87257915911216
2020-05-08,91.89385539554767,95.07995257253006
2020-05-11,91.95241751372645,94.94662375609863
2020-05-12,92.06676448048951,94.99361196980352
2020-05-13,92.18588695653902,95.06088702029842
2020-05-14,92.35028410550495,95.26461206598428
2020-05-15,92.4315862659802,95.22322044065245
2020-05-18,92.58792769988248,95.41148516059032
2020-05-19,92.7634054802142,95.65229609767695
2020-05-20,92.93181841528914,95.86636313599344
2020-05-21,93.15503748364033,96.23528093256549
2020-05-22,93.2443805169636,96.20144465327354
2020-05-25,92.84128607378446,94.74892611486655
2020-05-26,92.46944062874233,93.4871236277364
2020-05-27,92.05634421468521,92.19025471080913
2020-05-28,91.61187391256438,90.8864209288273
2020-05-29,91.18853378428358,89.72580941179613
2020-06-01,90.82890972578248,88.82049422972031
2020-06-02,90.48697825936338,88.01854239831837
2020-06-03,90.14871667708917,87.2710621699071
2020-06-04,89.85531613029936,86.69286577277309
2020-06-05,89.60760084733872,86.27449760393756
2020-06-08,89.30243360644236,85.70549783213399
2020-06-09,89.09481283246065,85.44497422907361
2020-06-10,88.9454747068062,85.35878620725708
2020-06-11,88.79840996232075,85.27318752085165
2020-06-12,88.70141291437581,85.32716966172293
2020-06-15,88.55513708111759,85.22362969393978
2020-06-16,88.50873914403176,85.4061411516598
2020-06-17,88.54615753275203,85.81031818483505
2020-06-18,88.57087367921918,86.14266883389838
2020-06-19,88.7154351979333,86.79384323066996
2020-06-22,88.86345371603385,87.40681054203472
2020-06-23,89.04825851222945,88.08235239517427
2020-06-24,89.17618446264815,88.54593788134815
2020-06-29,89.27630956223345,88.89680094026738
2020-06-30,89.37544695363563,89.22091513643238
2020-07-01,89.43035033220495,89.3951136948674
2020-07-02,89.4883716327884,89.56700762868955
2020-07-03,89.566785677615,89.7872926164334
2020-07-06,89.68361237670959,90.10564570058261
2020-07-07,89.93300213485026,90.78986991957474
2020-07-08,90.1666741960027,91.38702516532953
2020-07-09,90.44022586170752,92.06540372101243
2020-07-10,90.73234960394662,92.75917479520173
2020-07-13,91.0303053546369,93.43163433851585
2020-07-14,91.27291829382912,93.9076691634191
2020-07-15,91.6570849071462,94.77265305261729
2020-07-16,91.81095097576436,94.92287657141563
2020-07-17,91.95911651754257,95.0568883265189
2020-07-20,92.10767007434445,95.19337515256471
2020-07-21,92.34348417026759,95.58448228089188
2020-07-22,92.57386173845553,95.9450077779498
2020-07-23,92.79668594375208,96.27119751338316
2020-07-24,92.86204050297333,96.13013108353715
2020-07-27,92.94492442090862,96.05964240891457
2020-07-28,92.99918919399359,95.92062884616081
2020-07-29,93.0926584007479,95.9139022893836
2020-07-30,93.15421058432993,95.82400683325183
2020-07-31,93.19440040123715,95.68648237294214
2020-08-03,93.1945839946392,95.44967452790003
2020-08-04,93.22033533907725,95.30970552524289
2020-08-05,93.20622598369766,95.06973357045786
2020-08-06,93.13389070554364,94.68213989708093
2020-08-07,93.07048445290286,94.35050752593037
2020-08-10,92.99571447084047,94.01141157107985
2020-08-11,92.95585497999323,93.79889618335795
2020-08-12,92.85926957081313,93.43804892780005
2020-08-13,92.72880171603236,93.00394902991432
2020-08-14,92.62293936468703,92.67023959849391
2020-08-17,92.56644954945138,92.5016453510183
2020-08-18,92.59377907242018,92.5872029366356
2020-08-19,92.59824533234082,92.60080265695603
2020-08-20,92.56879466570669,92.51501192772213
2020-08-21,92.5435882832245,92.44691555365335
2020-08-24,92.53953620836467,92.44435216759113
2020-08-25,92.58709239825436,92.59155672305864
2020-08-26,92.65243363109848,92.78093227324354
2020-08-27,92.70022269237393,92.90751015198225
2020-08-28,92.7884121122961,93.14393775655537
2020-08-31,92.8566608954995,93.30832463688344
2020-09-01,92.89381955466345,93.37324610003739
2020-09-02,92.95303858565809,93.49960361431954
2020-09-03,93.02015207465291,93.64249850819387
2020-09-04,93.03621266236921,93.62987960265158
2020-09-07,92.9891237226194,93.43655773573238
2020-09-08,92.96751310876303,93.33117128471025
2020-09-09,92.88005366257407,93.04248830521404
2020-09-10,92.80988796871918,92.82320370471746
2020-09-11,92.77710475663002,92.726708113792
2020-09-14,92.73064230559298,92.59654543628801
2020-09-15,92.67717862344239,92.45401729949867
2020-09-16,92.58087768496887,92.19553946145118
2020-09-17,92.37461940021579,91.63310713178916
2020-09-18,92.2633204034874,91.38043026209495
2020-09-21,92.13993284927469,91.10610357046686
2020-09-22,92.04682029683944,90.93409370661287
2020-09-23,91.97446553300864,90.82989430598307
2020-09-24,91.83956502372966,90.54704722922278
2020-09-25,91.72843174426312,90.34732844548728
2020-09-28,91.6252044739594,90.17901145067897
2020-09-29,91.56831252399351,90.15148655061431
2020-09-30,91.51099080189536,90.11991640293675
2020-10-09,91.52538454609551,90.29421007884753
2020-10-12,91.61307685605958,90.66619007133825
2020-10-13,91.68150056569696,90.95512435025842
2020-10-14,91.72473005534624,91.14987441213857
2020-10-15,91.7717880863185,91.34131494431585
2020-10-16,91.8153360179146,91.50880875914291
2020-10-19,91.80565286978626,91.5098745916055
2020-10-20,91.779565890449,91.46226748764306
2020-10-21,91.70744897600805,91.28300391739134
2020-10-22,91.63704081286025,91.11890830621121
2020-10-23,91.52271160588121,90.8361551341911
2020-10-26,91.44590138929495,90.67842607379195
2020-10-27,91.3732488847279,90.54048073343083
2020-10-28,91.37281449506469,90.61853018738981
2020-10-29,91.36190254440682,90.65867016954316
2020-10-30,91.279217215082,90.48546348672951
2020-11-02,91.21202976540718,90.36589553561242
2020-11-03,91.17720911736104,90.3453340560303
2020-11-04,91.1441858676115,90.3286355745036
2020-11-05,91.14601583916522,90.41162266264611
2020-11-06,91.07204810673356,90.26670621858457
2020-11-09,91.01624325077509,90.18130562633841
2020-11-10,90.91571068517591,89.9688003285919
2020-11-11,90.7601136135308,89.60700982110696
2020-11-12,90.62207710161175,89.31586602862059
2020-11-13,90.45414014746054,88.952450216371
2020-11-16,90.2959716180356,88.63602638624043
2020-11-17,90.13971025350983,88.34021434945564
2020-11-18,90.02398204847671,88.17543203045986
2020-11-19,89.9346711616414,88.09205755136844
2020-11-20,89.83550161535808,87.9794806417143
2020-11-23,89.71368189026437,87.80238724726532
2020-11-24,89.6302824840262,87.74215989038291
2020-11-25,89.5155191238942,87.58862085320358
2020-11-26,89.4002562017993,87.43732362908895
2020-11-27,89.31991993288784,87.39091185489
2020-11-30,89.2107422301702,87.25749167823382
2020-12-01,89.15825887836134,87.29106389935441
2020-12-02,89.10487334136587,87.31381971846352
2020-12-03,89.1338938875506,87.5686940309908
2020-12-04,89.20556949779484,87.92596126613452
2020-12-07,89.22768197327697,88.11206019316933
2020-12-08,89.25529895775969,88.29853065096273
2020-12-09,89.22201046734133,88.292956303252
2020-12-10,89.21473143562523,88.36029379818038
2020-12-11,89.22408450330964,88.46883724597272
2020-12-14,89.2531309130372,88.62513846064199
2020-12-15,89.50778235851138,89.42464908343798
2020-12-16,89.75375670741265,90.1470634564439
2020-12-17,90.25953517602207,91.57877169868735
2020-12-18,90.76446844893937,92.91984106071712

Answer: 6.0