Question: 2025年02月19日-2025年04月07日，长安汽车赫尔移动平均线中5日均线和30日均线金叉的次数是多少？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: HMA = WMA_{\sqrt{n}}(2 * WMA_{n/2}(P) - WMA_n(P))
Data:
date,close
2024-12-09,14.07
2024-12-10,14.06
2024-12-11,14.17
2024-12-12,14.62
2024-12-13,14.17
2024-12-16,13.84
2024-12-17,13.86
2024-12-18,13.98
2024-12-19,13.86
2024-12-20,13.86
2024-12-23,13.93
2024-12-24,14.09
2024-12-25,13.85
2024-12-26,13.88
2024-12-27,13.84
2024-12-30,13.68
2024-12-31,13.36
2025-01-02,12.97
2025-01-03,12.75
2025-01-06,12.71
2025-01-07,12.85
2025-01-08,12.67
2025-01-09,12.67
2025-01-10,12.41
2025-01-13,12.4
2025-01-14,12.83
2025-01-15,12.66
2025-01-16,12.87
2025-01-17,12.77
2025-01-20,12.79
2025-01-21,12.72
2025-01-22,12.61
2025-01-23,12.53
2025-01-24,12.6
2025-01-27,12.55
2025-02-05,12.69
2025-02-06,13.16
2025-02-07,13.54
2025-02-10,14.18
2025-02-11,13.68
2025-02-12,13.7
2025-02-13,13.45
2025-02-14,13.61
2025-02-17,13.53
2025-02-18,13.25
2025-02-19,13.34
2025-02-20,13.28
2025-02-21,13.32
2025-02-24,13.33
2025-02-25,13.43
2025-02-26,13.39
2025-02-27,13.37
2025-02-28,12.92
2025-03-03,13.0
2025-03-04,13.0
2025-03-05,12.97
2025-03-06,13.12
2025-03-07,13.06
2025-03-10,13.02
2025-03-11,13.0
2025-03-12,13.15
2025-03-13,12.98
2025-03-14,13.15
2025-03-17,13.15
2025-03-18,13.29
2025-03-19,13.16
2025-03-20,13.11
2025-03-21,12.91
2025-03-24,12.9
2025-03-25,12.87
2025-03-26,12.93
2025-03-27,12.9
2025-03-28,12.92
2025-03-31,13.03
2025-04-01,13.04
2025-04-02,12.97
2025-04-03,12.88
2025-04-07,11.59

Indicator data:
date,5日,30日
2025-01-24,12.518666666666666,12.407840860215053
2025-01-27,12.550222222222224,12.421405734767026
2025-02-05,12.637333333333332,12.442532616487453
2025-02-06,13.033333333333331,12.499141218637995
2025-02-07,13.571999999999997,12.603986379928317
2025-02-10,14.207777777777778,12.779555555555554
2025-02-11,14.174,12.967632258064517
2025-02-12,13.783333333333333,13.15187670250896
2025-02-13,13.484888888888888,13.304374910394266
2025-02-14,13.453999999999999,13.432628673835124
2025-02-17,13.523777777777779,13.53291075268817
2025-02-18,13.337333333333335,13.597668458781364
2025-02-19,13.226222222222225,13.63997347670251
2025-02-20,13.244,13.66119569892473
2025-02-21,13.281777777777776,13.66618494623656
2025-02-24,13.325111111111113,13.658848028673834
2025-02-25,13.405333333333333,13.648012544802869
2025-02-26,13.43577777777778,13.628251612903227
2025-02-27,13.394666666666666,13.598132258064515
2025-02-28,13.065333333333333,13.531940501792114
2025-03-03,12.845777777777778,13.446455913978495
2025-03-04,12.898222222222223,13.354448745519713
2025-03-05,12.950888888888889,13.263176702508959
2025-03-06,13.060888888888888,13.189134767025086
2025-03-07,13.113777777777779,13.130207526881719
2025-03-10,13.054000000000002,13.081156630824372
2025-03-11,12.996,13.039371326164876
2025-03-12,13.080666666666666,13.01231899641577
2025-03-13,13.065555555555557,12.985814336917562
2025-03-14,13.08488888888889,12.971777060931897
2025-03-17,13.166222222222224,12.968275268817202
2025-03-18,13.273111111111112,12.981904301075266
2025-03-19,13.255777777777775,13.000825089605732
2025-03-20,13.133111111111107,13.021959856630822
2025-03-21,12.944222222222221,13.031216487455197
2025-03-24,12.825333333333335,13.029125448028674
2025-03-25,12.815555555555557,13.01549534050179
2025-03-26,12.875999999999998,12.998656272401435
2025-03-27,12.912444444444446,12.978786379928314
2025-03-28,12.91777777777778,12.960454480286735
2025-03-31,12.996666666666664,12.950644802867382
2025-04-01,13.069333333333333,12.94784193548387
2025-04-02,13.02688888888889,12.94514121863799
2025-04-03,12.906666666666668,12.937219354838707
2025-04-07,11.980888888888892,12.84462258064516

Answer: 2.0