Question: 中国卫通在2020年12月09日到2021年10月16日期间，收盘价突破20日三指数移动平均线共几次？（平滑系数 alpha 取 2 / (n + 1)；从前 6n 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: TEMA = 3 * EMA1 - 3 * EMA2 + EMA3；EMA1 = EMA_n(P)；EMA2 = EMA_n(EMA1)；EMA3 = EMA_n(EMA2)
Data:
date,close,open,low
2020-06-12,19.44,18.5,18.4
2020-06-15,18.99,19.6,18.92
2020-06-16,18.99,18.78,18.6
2020-06-17,18.71,18.9,18.65
2020-06-18,17.96,18.6,17.66
2020-06-19,18.29,17.9,17.79
2020-06-22,18.47,18.36,18.11
2020-06-23,18.14,18.84,18.13
2020-06-24,17.82,17.8,17.63
2020-06-29,17.99,17.78,17.51
2020-06-30,18.01,18.08,17.6
2020-07-01,17.85,18.09,17.71
2020-07-02,18.06,17.78,17.65
2020-07-03,17.99,18.23,17.85
2020-07-06,19.0,18.13,17.99
2020-07-07,19.15,19.15,18.76
2020-07-08,21.07,19.37,19.37
2020-07-09,23.18,23.18,23.18
2020-07-10,23.97,24.78,23.21
2020-07-13,23.66,23.0,22.08
2020-07-14,24.26,23.48,23.11
2020-07-15,22.62,24.68,22.6
2020-07-16,20.9,22.09,20.5
2020-07-17,22.0,20.89,20.56
2020-07-20,24.2,22.51,22.51
2020-07-21,22.91,24.09,22.68
2020-07-22,22.95,22.95,22.66
2020-07-23,23.52,23.17,22.58
2020-07-24,21.77,23.75,21.76
2020-07-27,21.59,21.7,20.9
2020-07-28,22.24,21.63,21.5
2020-07-29,22.91,22.1,21.86
2020-07-30,23.39,23.8,23.25
2020-07-31,23.07,23.39,22.74
2020-08-03,25.38,23.2,23.11
2020-08-04,24.86,26.0,24.48
2020-08-05,25.31,24.16,24.15
2020-08-06,26.0,25.22,24.9
2020-08-07,25.07,25.51,24.68
2020-08-10,25.19,24.9,24.77
2020-08-11,23.95,24.8,23.86
2020-08-12,22.84,23.8,22.06
2020-08-13,22.67,22.82,22.53
2020-08-14,23.23,22.76,22.7
2020-08-17,24.66,24.2,23.56
2020-08-18,24.66,24.37,24.37
2020-08-19,25.54,24.49,24.23
2020-08-20,23.63,24.8,23.58
2020-08-21,23.4,23.81,23.0
2020-08-24,23.66,23.5,23.02
2020-08-25,22.8,23.66,22.58
2020-08-26,22.33,22.5,22.0
2020-08-27,22.5,22.34,22.0
2020-08-28,23.1,22.5,22.5
2020-08-31,22.93,23.25,22.9
2020-09-01,23.06,22.87,22.75
2020-09-02,22.51,23.14,22.26
2020-09-03,22.2,22.58,22.0
2020-09-04,22.51,21.8,21.5
2020-09-07,21.86,22.52,21.7
2020-09-08,21.07,21.86,20.0
2020-09-09,20.43,20.67,20.0
2020-09-10,19.98,20.47,19.9
2020-09-11,20.11,19.89,19.47
2020-09-14,20.06,20.29,19.91
2020-09-15,20.24,20.15,19.94
2020-09-16,19.96,20.24,19.91
2020-09-17,19.95,19.95,19.63
2020-09-18,20.36,20.06,19.95
2020-09-21,20.78,20.48,20.44
2020-09-22,20.17,20.51,20.15
2020-09-23,19.84,20.19,19.77
2020-09-24,19.19,19.81,19.12
2020-09-25,19.43,19.56,19.3
2020-09-28,18.87,19.44,18.85
2020-09-29,19.38,18.93,18.87
2020-09-30,19.39,19.4,19.21
2020-10-09,19.65,19.74,19.55
2020-10-12,20.3,19.7,19.6
2020-10-13,19.99,20.29,19.72
2020-10-14,19.41,20.01,19.23
2020-10-15,19.36,19.33,19.13
2020-10-16,19.12,19.21,19.0
2020-10-19,19.67,19.5,19.27
2020-10-20,19.43,19.37,19.08
2020-10-21,19.15,19.44,19.03
2020-10-22,18.99,19.01,18.87
2020-10-23,18.98,18.99,18.91
2020-10-26,18.4,18.97,18.05
2020-10-27,18.15,18.19,18.01
2020-10-28,17.88,18.22,17.61
2020-10-29,17.77,17.45,17.41
2020-10-30,17.31,17.81,17.24
2020-11-02,16.76,17.12,16.69
2020-11-03,17.79,16.9,16.75
2020-11-04,17.71,18.0,17.57
2020-11-05,17.95,17.92,17.5
2020-11-06,17.78,18.12,17.68
2020-11-09,18.54,17.86,17.86
2020-11-10,18.21,18.56,18.1
2020-11-11,17.62,18.21,17.58
2020-11-12,17.4,17.76,17.32
2020-11-13,17.61,17.41,17.19
2020-11-16,17.75,17.7,17.43
2020-11-17,19.0,17.74,17.74
2020-11-18,19.0,18.94,18.62
2020-11-19,19.24,18.88,18.66
2020-11-20,19.01,19.28,18.86
2020-11-23,19.5,19.01,18.51
2020-11-24,18.97,19.3,18.82
2020-11-25,18.75,19.01,18.72
2020-11-26,19.09,18.91,18.91
2020-11-27,19.03,18.98,18.65
2020-11-30,19.39,19.05,18.79
2020-12-01,19.5,19.4,19.2
2020-12-02,20.06,19.58,19.42
2020-12-03,20.16,19.99,19.73
2020-12-04,20.0,20.14,19.89
2020-12-07,19.18,19.97,19.07
2020-12-08,18.93,19.28,18.9
2020-12-09,18.66,18.95,18.61
2020-12-10,18.33,18.55,18.03
2020-12-11,18.08,18.3,17.97
2020-12-14,18.58,18.14,18.08
2020-12-15,18.94,18.59,18.35
2020-12-16,18.46,18.78,18.41
2020-12-17,18.55,18.35,18.16
2020-12-18,18.39,18.55,18.29
2020-12-21,18.51,18.24,18.2
2020-12-22,17.61,18.4,17.5
2020-12-23,17.8,17.54,17.5
2020-12-24,18.25,17.76,17.71
2020-12-25,17.99,18.13,17.71
2020-12-28,17.7,17.79,17.52
2020-12-29,17.71,17.58,17.35
2020-12-30,17.72,17.3,16.72
2020-12-31,18.14,17.68,17.46
2021-01-04,19.24,18.4,18.25
2021-01-05,20.0,19.23,18.72
2021-01-06,19.3,19.37,19.01
2021-01-07,19.0,19.1,18.62
2021-01-08,18.8,19.0,18.59
2021-01-11,18.8,18.81,18.62
2021-01-12,19.4,18.85,18.68
2021-01-13,19.2,19.4,18.85
2021-01-14,19.29,19.15,19.02
2021-01-15,18.47,19.3,18.31
2021-01-18,18.45,18.17,18.11
2021-01-19,18.16,18.4,18.01
2021-01-20,18.09,18.0,17.92
2021-01-21,19.69,18.08,18.01
2021-01-22,19.53,19.59,19.28
2021-01-25,18.95,19.34,18.89
2021-01-26,17.4,18.75,17.08
2021-01-27,17.43,17.34,17.14
2021-01-28,18.31,17.22,17.2
2021-01-29,17.41,18.31,17.31
2021-02-01,17.36,17.28,17.0
2021-02-02,17.5,17.37,17.26
2021-02-03,16.85,17.38,16.73
2021-02-04,17.05,16.85,16.85
2021-02-05,16.87,17.12,16.79
2021-02-08,15.65,16.66,15.55
2021-02-09,15.7,15.68,15.05
2021-02-10,15.56,15.69,15.31
2021-02-18,15.97,15.73,15.72
2021-02-19,16.27,16.0,15.77
2021-02-22,16.42,16.3,16.3
2021-02-23,16.3,16.12,15.95
2021-02-24,16.2,16.15,16.11
2021-02-25,16.7,16.36,16.23
2021-02-26,16.38,16.43,16.27
2021-03-01,16.44,16.36,16.25
2021-03-02,16.53,16.5,16.27
2021-03-03,16.5,16.52,16.3
2021-03-04,16.35,16.5,16.35
2021-03-05,16.16,16.17,15.88
2021-03-08,16.24,16.24,16.2
2021-03-09,15.31,16.17,15.12
2021-03-10,15.19,15.34,15.1
2021-03-11,15.39,15.19,15.15
2021-03-12,15.24,15.43,15.1
2021-03-15,15.19,15.25,15.15
2021-03-16,15.28,15.29,15.2
2021-03-17,15.33,15.19,15.13
2021-03-18,15.28,15.48,15.24
2021-03-19,15.2,15.27,15.1
2021-03-22,15.41,15.25,15.14
2021-03-23,15.25,15.35,15.18
2021-03-24,15.38,15.24,15.0
2021-03-25,15.33,15.21,15.11
2021-03-26,15.35,15.31,15.18
2021-03-29,15.83,15.48,15.41
2021-03-30,15.83,15.75,15.59
2021-03-31,15.55,15.85,15.5
2021-04-01,15.66,15.63,15.46
2021-04-02,15.78,15.63,15.52
2021-04-06,16.17,15.75,15.65
2021-04-07,16.67,16.18,16.08
2021-04-08,17.66,16.72,16.57
2021-04-09,17.49,17.41,17.1
2021-04-12,17.61,17.37,17.21
2021-04-13,17.8,17.59,17.46
2021-04-14,18.02,17.71,17.64
2021-04-15,17.8,18.02,17.75
2021-04-16,18.54,17.92,17.62
2021-04-19,18.37,18.51,17.9
2021-04-20,17.98,18.24,17.91
2021-04-21,18.84,17.98,17.58
2021-04-22,18.65,18.78,18.57
2021-04-23,18.82,18.71,18.55
2021-04-26,17.18,19.3,17.05
2021-04-27,17.3,17.38,16.98
2021-04-28,17.27,17.32,16.8
2021-04-29,16.55,17.15,16.37
2021-04-30,15.61,16.2,15.3
2021-05-06,15.62,15.61,15.56
2021-05-07,15.44,15.61,15.38
2021-05-10,15.58,15.42,15.25
2021-05-11,16.05,15.64,15.48
2021-05-12,15.9,16.03,15.78
2021-05-13,15.72,15.8,15.71
2021-05-14,16.05,15.71,15.67
2021-05-17,16.14,16.59,16.1
2021-05-18,16.07,16.06,15.7
2021-05-19,16.18,16.09,15.9
2021-05-20,15.98,16.0,15.86
2021-05-21,15.8,16.01,15.78
2021-05-24,15.88,15.8,15.78
2021-05-25,16.13,15.88,15.78
2021-05-26,16.18,16.14,16.14
2021-05-27,16.35,16.2,16.14
2021-05-28,16.07,16.33,15.98
2021-05-31,16.45,16.1,16.08
2021-06-01,16.48,16.39,16.33
2021-06-02,16.12,16.39,16.05
2021-06-03,15.96,16.07,15.94
2021-06-04,15.94,15.95,15.83
2021-06-07,15.93,15.88,15.88
2021-06-08,15.87,15.93,15.65
2021-06-09,16.34,15.95,15.87
2021-06-10,16.4,16.24,16.15
2021-06-11,16.0,16.4,15.98
2021-06-15,15.98,15.92,15.83
2021-06-16,16.29,15.99,15.9
2021-06-17,16.18,16.3,15.99
2021-06-18,16.38,16.19,16.03
2021-06-21,16.64,16.45,16.25
2021-06-22,16.39,16.65,16.29
2021-06-23,16.27,16.33,16.11
2021-06-24,16.15,16.27,16.13
2021-06-25,16.22,16.15,16.1
2021-06-28,16.28,16.23,16.16
2021-06-29,16.14,16.28,16.11
2021-06-30,16.19,16.14,16.11
2021-07-01,15.51,16.25,15.5
2021-07-02,14.79,15.49,14.62
2021-07-05,15.0,14.79,14.79
2021-07-06,14.94,15.0,14.85
2021-07-07,14.96,14.75,14.75
2021-07-08,15.12,15.02,14.91
2021-07-09,14.91,15.08,14.8
2021-07-12,14.99,14.95,14.89
2021-07-13,14.93,14.99,14.82
2021-07-14,14.71,14.93,14.68
2021-07-15,14.38,14.69,14.0
2021-07-16,14.54,14.3,14.24
2021-07-19,14.4,14.64,14.36
2021-07-20,14.5,14.39,14.3
2021-07-21,14.54,14.58,14.46
2021-07-22,14.57,14.5,14.3
2021-07-23,14.42,14.56,14.2
2021-07-26,14.32,14.49,14.25
2021-07-27,14.03,14.32,14.03
2021-07-28,13.18,14.03,13.13
2021-07-29,13.3,13.22,13.2
2021-07-30,13.56,13.3,13.15
2021-08-02,13.9,13.5,13.47
2021-08-03,14.07,13.85,13.77
2021-08-04,14.11,14.07,13.98
2021-08-05,14.35,14.1,14.05
2021-08-06,14.15,14.26,13.95
2021-08-09,14.17,14.2,14.13
2021-08-10,14.43,14.17,14.17
2021-08-11,14.36,14.46,14.3
2021-08-12,14.2,14.31,14.18
2021-08-13,14.05,14.15,14.0
2021-08-16,13.93,14.07,13.85
2021-08-17,13.66,13.85,13.58
2021-08-18,13.83,13.67,13.6
2021-08-19,13.93,13.83,13.66
2021-08-20,13.82,13.93,13.64
2021-08-23,14.11,13.82,13.81
2021-08-24,14.15,14.02,13.98
2021-08-25,14.18,14.14,14.05
2021-08-26,14.1,14.18,14.09
2021-08-27,13.7,14.14,13.6
2021-08-30,15.07,14.4,14.37
2021-08-31,15.78,15.48,14.68
2021-09-01,17.36,15.5,15.09
2021-09-02,17.01,17.0,16.32
2021-09-03,16.45,16.72,16.15
2021-09-06,17.21,16.5,15.87
2021-09-07,17.15,17.05,16.7
2021-09-08,17.06,17.15,16.7
2021-09-09,17.88,17.53,17.36
2021-09-10,17.04,17.56,17.0
2021-09-13,16.85,17.0,16.73
2021-09-14,16.24,16.75,16.09
2021-09-15,15.86,15.8,15.53
2021-09-16,15.32,15.8,15.3
2021-09-17,15.8,15.95,15.6
2021-09-22,15.5,15.12,15.01
2021-09-23,15.82,15.62,15.4
2021-09-24,15.36,15.77,15.33
2021-09-27,15.49,15.38,15.07
2021-09-28,15.15,15.4,15.12
2021-09-29,14.48,15.15,14.43
2021-09-30,14.54,14.5,14.4
2021-10-08,14.65,14.67,14.4
2021-10-11,14.86,14.65,14.56
2021-10-12,14.51,14.71,14.36
2021-10-13,14.58,14.52,14.23
2021-10-14,14.84,14.52,14.46
2021-10-15,14.75,14.84,14.74

Indicator data:
date,20日,close
2020-09-03,22.63526203646592,22.2
2020-09-04,22.524277577490693,22.51
2020-09-07,22.269474743647915,21.86
2020-09-08,21.861419284561734,21.07
2020-09-09,21.368348165992078,20.43
2020-09-10,20.857036640366765,19.98
2020-09-11,20.48345346750351,20.11
2020-09-14,20.177700633982752,20.06
2020-09-15,19.988255365648186,20.24
2020-09-16,19.77527447805157,19.96
2020-09-17,19.613343205089357,19.95
2020-09-18,19.602317702730346,20.36
2020-09-21,19.717035225692825,20.78
2020-09-22,19.66643170270512,20.17
2020-09-23,19.552188607709102,19.84
2020-09-24,19.302564888282916,19.19
2020-09-25,19.173210575585184,19.43
2020-09-28,18.935072092057325,18.87
2020-09-29,18.885629157352742,19.38
2020-09-30,18.860940165927527,19.39
2020-10-09,18.920767574200198,19.65
2020-10-12,19.15007479853829,20.3
2020-10-13,19.267625728206333,19.99
2020-10-14,19.222105774560553,19.41
2020-10-15,19.179816862294167,19.36
2020-10-16,19.090600335430853,19.12
2020-10-19,19.167710748329544,19.67
2020-10-20,19.175592863679014,19.43
2020-10-21,19.11573047897212,19.15
2020-10-22,19.03123815722523,18.99
2020-10-23,18.96544938201944,18.98
2020-10-26,18.76710798632101,18.4
2020-10-27,18.546141958459256,18.15
2020-10-28,18.302149960928922,17.88
2020-10-29,18.081575497765623,17.77
2020-10-30,17.790114935644088,17.31
2020-11-02,17.41810108774574,16.76
2020-11-03,17.391122924142703,17.79
2020-11-04,17.35907161744486,17.71
2020-11-05,17.405341749787468,17.95
2020-11-06,17.408686092814367,17.78
2020-11-09,17.617353106976864,18.54
2020-11-10,17.71022527837087,18.21
2020-11-11,17.63955609772676,17.62
2020-11-12,17.530477603209494,17.4
2020-11-13,17.501540477877448,17.61
2020-11-16,17.519985545504767,17.75
2020-11-17,17.864717357672024,19.0
2020-11-18,18.15094861204494,19.0
2020-11-19,18.449539925716007,19.24
2020-11-20,18.634572636352186,19.01
2020-11-23,18.911992480233465,19.5
2020-11-24,18.99920784554116,18.97
2020-11-25,19.01020152771389,18.75
2020-11-26,19.10387735589275,19.09
2020-11-27,19.161308537182343,19.03
2020-11-30,19.29772403333048,19.39
2020-12-01,19.433573453056745,19.5
2020-12-02,19.685117531150606,20.06
2020-12-03,19.911224217932972,20.16
2020-12-04,20.048056956024098,20.0
2020-12-07,19.93998234113919,19.18
2020-12-08,19.779561998613744,18.93
2020-12-09,19.57216868977374,18.66
2020-12-10,19.31204024384449,18.33
2020-12-11,19.03097493213327,18.08
2020-12-14,18.928898676863955,18.58
2020-12-15,18.93811761055517,18.94
2020-12-16,18.82083757997091,18.46
2020-12-17,18.748152624498708,18.55
2020-12-18,18.64762899595544,18.39
2020-12-21,18.597371762593497,18.51
2020-12-22,18.32405211021863,17.61
2020-12-23,18.151648761598118,17.8
2020-12-24,18.13035424870083,18.25
2020-12-25,18.048938601507,17.99
2020-12-28,17.91061243965878,17.7
2020-12-29,17.803899586812232,17.71
2020-12-30,17.723493690344014,17.72
2020-12-31,17.771212969973718,18.14
2021-01-04,18.100001154592405,19.24
2021-01-05,18.569411042970184,20.0
2021-01-06,18.772934768307536,19.3
2021-01-07,18.860712000866528,19.0
2021-01-08,18.87893882668138,18.8
2021-01-11,18.89189848033727,18.8
2021-01-12,19.056167798182376,19.4
2021-01-13,19.136409050513727,19.2
2021-01-14,19.222546349782426,19.29
2021-01-15,19.07718297013065,18.47
2021-01-18,18.95013998105454,18.45
2021-01-19,18.768932278074114,18.16
2021-01-20,18.601370810598397,18.09
2021-01-21,18.879103919212312,19.69
2021-01-22,19.06454652490131,19.53
2021-01-25,19.064300610268116,18.95
2021-01-26,18.66006874056328,17.4
2021-01-27,18.336145531423078,17.43
2021-01-28,18.30040003699174,18.31
2021-01-29,18.039759140506405,17.41
2021-02-01,17.81617856318293,17.36
2021-02-02,17.67335517373055,17.5
2021-02-03,17.39250058139822,16.85
2021-02-04,17.220002069250047,17.05
2021-02-05,17.038541672456184,16.87
2021-02-08,16.580593504738978,15.65
2021-02-09,16.227042421438146,15.7
2021-02-10,15.911359961212536,15.56
2021-02-18,15.77054966021338,15.97
2021-02-19,15.744933719854387,16.27
2021-02-22,15.774480722136214,16.42
2021-02-23,15.778481205171516,16.3
2021-02-24,15.76603902120004,16.2
2021-02-25,15.89518282041054,16.7
2021-02-26,15.926654538794779,16.38
2021-03-01,15.9757816546268,16.44
2021-03-02,16.046444038628653,16.53
2021-03-03,16.102842577413313,16.5
2021-03-04,16.115694143936086,16.35
2021-03-05,16.08197112827603,16.16
2021-03-08,16.079867570933388,16.24
2021-03-09,15.84145209949557,15.31
2021-03-10,15.620020864715194,15.19
2021-03-11,15.496379553671307,15.39
2021-03-12,15.362541654773612,15.24
2021-03-15,15.246570834464851,15.19
2021-03-16,15.181776651555829,15.28
2021-03-17,15.148540374907306,15.33
2021-03-18,15.115018072703322,15.28
2021-03-19,15.073225526406198,15.2
2021-03-22,15.099660129712792,15.41
2021-03-23,15.085606035439639,15.25
2021-03-24,15.113204024231532,15.38
2021-03-25,15.127804807559048,15.33
2021-03-26,15.14946356998107,15.35
2021-03-29,15.295789593186761,15.83
2021-03-30,15.41891655403344,15.83
2021-03-31,15.44945614160374,15.55
2021-04-01,15.504749018764581,15.66
2021-04-02,15.582496890217747,15.78
2021-04-06,15.748152151052896,16.17
2021-04-07,16.013526332631546,16.67
2021-04-08,16.48639166633912,17.66
2021-04-09,16.826257805614848,17.49
2021-04-12,17.130417223594584,17.61
2021-04-13,17.42200808938761,17.8
2021-04-14,17.709808953183995,18.02
2021-04-15,17.879221403291123,17.8
2021-04-16,18.199952151751937,18.54
2021-04-19,18.407708074012284,18.37
2021-04-20,18.4650713394154,17.98
2021-04-21,18.723438650306676,18.84
2021-04-22,18.873772763209686,18.65
2021-04-23,19.028600047719156,18.82
2021-04-26,18.717506872723483,17.18
2021-04-27,18.482631115131056,17.3
2021-04-28,18.273321159918446,17.27
2021-04-29,17.9076853671801,16.55
2021-04-30,17.359005588323583,15.61
2021-05-06,16.909673361817692,15.62
2021-05-07,16.49523260277036,15.44
2021-05-10,16.19469387737072,15.58
2021-05-11,16.074801263294358,16.05
2021-05-12,15.942904321864805,15.9
2021-05-13,15.79383717876015,15.72
2021-05-14,15.763478461857105,16.05
2021-05-17,15.76822156169209,16.14
2021-05-18,15.759957234354186,16.07
2021-05-19,15.787439886867041,16.18
2021-05-20,15.763435994698803,15.98
2021-05-21,15.702188956069772,15.8
2021-05-24,15.67785219148168,15.88
2021-05-25,15.727778274162564,16.13
2021-05-26,15.786278386398756,16.18
2021-05-27,15.882376275888042,16.35
2021-05-28,15.891892267315836,16.07
2021-05-31,16.0012413058315,16.45
2021-06-01,16.10103614571194,16.48
2021-06-02,16.091150376606716,16.12
2021-06-03,16.043007890242343,15.96
2021-06-04,15.99992044544797,15.94
2021-06-07,15.963707183089234,15.93
2021-06-08,15.920255684015018,15.87
2021-06-09,16.00844282468576,16.34
2021-06-10,16.09780151510434,16.4
2021-06-11,16.06823186049116,16.0
2021-06-15,16.039640832919552,15.98
2021-06-16,16.09753320441084,16.29
2021-06-17,16.117134545653286,16.18
2021-06-18,16.185531786973957,16.38
2021-06-21,16.30915255441377,16.64
2021-06-22,16.345157561579292,16.39
2021-06-23,16.342739618533738,16.27
2021-06-24,16.308805176418158,16.15
2021-06-25,16.298477949485243,16.22
2021-06-28,16.305020530445468,16.28
2021-06-29,16.27352464892742,16.14
2021-06-30,16.260255634562853,16.19
2021-07-01,16.072699558770708,15.51
2021-07-02,15.732650953347324,14.79
2021-07-05,15.510376238703824,15.0
2021-07-06,15.315874436230214,14.94
2021-07-07,15.165794384589919,14.96
2021-07-08,15.089082362976185,15.12
2021-07-09,14.976802119372312,14.91
2021-07-12,14.910847465435332,14.99
2021-07-13,14.846679415334957,14.93
2021-07-14,14.742514015079784,14.71
2021-07-15,14.577214946498053,14.38
2021-07-16,14.489360757471623,14.54
2021-07-19,14.387414475951935,14.4
2021-07-20,14.33632040739197,14.5
2021-07-21,14.311318873721515,14.54
2021-07-22,14.304902644852213,14.57
2021-07-23,14.26672220201958,14.42
2021-07-26,14.215267389606744,14.32
2021-07-27,14.103554753596237,14.03
2021-07-28,13.797360671954944,13.18
2021-07-29,13.584322262736743,13.3
2021-07-30,13.484830689024804,13.56
2021-08-02,13.4994109337581,13.9
2021-08-03,13.563022857304563,14.07
2021-08-04,13.632380562965706,14.11
2021-08-05,13.757531687964383,14.35
2021-08-06,13.81332217633987,14.15
2021-08-09,13.868575169923691,14.17
2021-08-10,13.985040237298533,14.43
2021-08-11,14.065291886719992,14.36
2021-08-12,14.091805326650112,14.2
2021-08-13,14.076452662127371,14.05
2021-08-16,14.034419509221978,13.93
2021-08-17,13.931643779726068,13.66
2021-08-18,13.893505625987522,13.83
2021-08-19,13.89033364127974,13.93
2021-08-20,13.86125504526035,13.82
2021-08-23,13.914638285037524,14.11
2021-08-24,13.970452167386872,14.15
2021-08-25,14.025224702563014,14.18
2021-08-26,14.050198002647596,14.1
2021-08-27,13.967471460778363,13.7
2021-08-30,14.255742702759012,15.07
2021-08-31,14.675873986279104,15.78
2021-09-01,15.427655205024124,17.36
2021-09-02,15.947263364320257,17.01
2021-09-03,16.219207054631564,16.45
2021-09-06,16.6290858534498,17.21
2021-09-07,16.93786680386077,17.15
2021-09-08,17.15477588504018,17.06
2021-09-09,17.5317629382207,17.88
2021-09-10,17.608349576964248,17.04
2021-09-13,17.607190001909885,16.85
2021-09-14,17.434048444268075,16.24
2021-09-15,17.18102184197473,15.86
2021-09-16,16.82295416227511,15.32
2021-09-17,16.645709675446813,15.8
2021-09-22,16.416100465736783,15.5
2021-09-23,16.30593076963433,15.82
2021-09-24,16.09245778295392,15.36
2021-09-27,15.94858664191857,15.49
2021-09-28,15.740945276871585,15.15
2021-09-29,15.39659900235914,14.48
2021-09-30,15.131252183061314,14.54
2021-10-08,14.945163445526434,14.65
2021-10-11,14.851002881763963,14.86
2021-10-12,14.687440440655482,14.51
2021-10-13,14.576506628837597,14.58
2021-10-14,14.558444871318653,14.84
2021-10-15,14.525717789994545,14.75

Answer: 30.0