Question: 民生银行2022年07月24日至2023年02月14日, 价格突破30日加权移动平均线有多少次？（权重取 1, 2, ..., n）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: WMA_n = \sum_{i=0}^{n-1} (n-i) * P_{t-i} / \sum_{j=1}^{n} j
Data:
date,close,low,high,open
2022-06-14,3.89,3.82,3.9,3.83
2022-06-15,3.9,3.89,3.95,3.9
2022-06-16,3.89,3.87,3.91,3.9
2022-06-17,3.91,3.88,3.91,3.88
2022-06-20,3.91,3.89,3.92,3.91
2022-06-21,3.92,3.91,3.93,3.92
2022-06-22,3.9,3.9,3.94,3.93
2022-06-23,3.93,3.9,3.94,3.9
2022-06-24,3.7,3.69,3.74,3.72
2022-06-27,3.69,3.68,3.71,3.7
2022-06-28,3.7,3.68,3.7,3.69
2022-06-29,3.72,3.69,3.73,3.7
2022-06-30,3.72,3.71,3.74,3.72
2022-07-01,3.71,3.71,3.74,3.72
2022-07-04,3.7,3.68,3.72,3.71
2022-07-05,3.68,3.68,3.71,3.7
2022-07-06,3.67,3.65,3.69,3.69
2022-07-07,3.66,3.65,3.67,3.67
2022-07-08,3.68,3.66,3.68,3.67
2022-07-11,3.7,3.67,3.71,3.67
2022-07-12,3.72,3.69,3.73,3.69
2022-07-13,3.71,3.7,3.73,3.72
2022-07-14,3.68,3.66,3.71,3.7
2022-07-15,3.62,3.62,3.67,3.67
2022-07-18,3.67,3.62,3.67,3.62
2022-07-19,3.64,3.64,3.67,3.66
2022-07-20,3.64,3.63,3.66,3.65
2022-07-21,3.62,3.62,3.64,3.64
2022-07-22,3.63,3.61,3.64,3.63
2022-07-25,3.61,3.61,3.63,3.63
2022-07-26,3.63,3.61,3.63,3.61
2022-07-27,3.65,3.62,3.65,3.63
2022-07-28,3.66,3.64,3.66,3.65
2022-07-29,3.64,3.63,3.66,3.66
2022-08-01,3.61,3.61,3.64,3.63
2022-08-02,3.58,3.55,3.61,3.6
2022-08-03,3.61,3.57,3.64,3.58
2022-08-04,3.64,3.61,3.65,3.61
2022-08-05,3.68,3.63,3.68,3.64
2022-08-08,3.63,3.63,3.69,3.68
2022-08-09,3.61,3.61,3.64,3.64
2022-08-10,3.59,3.59,3.63,3.61
2022-08-11,3.65,3.59,3.65,3.6
2022-08-12,3.64,3.63,3.65,3.64
2022-08-15,3.62,3.62,3.66,3.64
2022-08-16,3.63,3.61,3.64,3.62
2022-08-17,3.66,3.63,3.66,3.64
2022-08-18,3.65,3.63,3.66,3.65
2022-08-19,3.63,3.61,3.66,3.64
2022-08-22,3.62,3.61,3.63,3.61
2022-08-23,3.6,3.6,3.62,3.62
2022-08-24,3.59,3.59,3.62,3.6
2022-08-25,3.6,3.59,3.61,3.59
2022-08-26,3.62,3.6,3.63,3.61
2022-08-29,3.58,3.57,3.61,3.6
2022-08-30,3.59,3.57,3.6,3.58
2022-08-31,3.6,3.58,3.62,3.59
2022-09-01,3.61,3.6,3.63,3.61
2022-09-02,3.62,3.61,3.63,3.62
2022-09-05,3.62,3.6,3.62,3.62
2022-09-06,3.63,3.61,3.64,3.62
2022-09-07,3.6,3.59,3.63,3.62
2022-09-08,3.59,3.59,3.61,3.6
2022-09-09,3.61,3.59,3.62,3.6
2022-09-13,3.62,3.61,3.63,3.62
2022-09-14,3.61,3.6,3.63,3.61
2022-09-15,3.62,3.6,3.63,3.61
2022-09-16,3.57,3.55,3.62,3.62
2022-09-19,3.51,3.5,3.57,3.57
2022-09-20,3.5,3.5,3.54,3.52
2022-09-21,3.51,3.47,3.52,3.5
2022-09-22,3.5,3.49,3.51,3.5
2022-09-23,3.52,3.49,3.52,3.5
2022-09-26,3.44,3.43,3.52,3.51
2022-09-27,3.44,3.41,3.45,3.44
2022-09-28,3.42,3.4,3.45,3.43
2022-09-29,3.38,3.37,3.44,3.43
2022-09-30,3.39,3.38,3.41,3.38
2022-10-10,3.4,3.38,3.44,3.39
2022-10-11,3.42,3.4,3.42,3.41
2022-10-12,3.43,3.39,3.43,3.41
2022-10-13,3.4,3.39,3.42,3.41
2022-10-14,3.42,3.4,3.44,3.41
2022-10-17,3.41,3.39,3.42,3.41
2022-10-18,3.4,3.39,3.42,3.42
2022-10-19,3.4,3.39,3.41,3.4
2022-10-20,3.38,3.38,3.41,3.4
2022-10-21,3.36,3.35,3.4,3.39
2022-10-24,3.31,3.31,3.37,3.36
2022-10-25,3.32,3.29,3.33,3.31
2022-10-26,3.31,3.31,3.35,3.32
2022-10-27,3.32,3.31,3.33,3.31
2022-10-28,3.29,3.28,3.33,3.32
2022-10-31,3.3,3.27,3.31,3.29
2022-11-01,3.35,3.29,3.35,3.3
2022-11-02,3.37,3.33,3.39,3.34
2022-11-03,3.38,3.36,3.38,3.37
2022-11-04,3.43,3.37,3.43,3.37
2022-11-07,3.41,3.4,3.43,3.42
2022-11-08,3.41,3.39,3.42,3.41
2022-11-09,3.39,3.39,3.42,3.41
2022-11-10,3.39,3.38,3.4,3.39
2022-11-11,3.44,3.41,3.46,3.41
2022-11-14,3.45,3.44,3.49,3.45
2022-11-15,3.48,3.44,3.49,3.45
2022-11-16,3.45,3.44,3.48,3.47
2022-11-17,3.43,3.41,3.45,3.44
2022-11-18,3.4,3.4,3.43,3.43
2022-11-21,3.41,3.37,3.43,3.4
2022-11-22,3.46,3.4,3.47,3.4
2022-11-23,3.46,3.44,3.51,3.47
2022-11-24,3.47,3.45,3.48,3.47
2022-11-25,3.52,3.45,3.53,3.46
2022-11-28,3.45,3.44,3.51,3.5
2022-11-29,3.52,3.46,3.55,3.46
2022-11-30,3.52,3.51,3.56,3.53
2022-12-01,3.51,3.5,3.56,3.54
2022-12-02,3.49,3.49,3.52,3.51
2022-12-05,3.55,3.5,3.56,3.51
2022-12-06,3.58,3.54,3.59,3.54
2022-12-07,3.56,3.55,3.6,3.58
2022-12-08,3.56,3.55,3.59,3.55
2022-12-09,3.57,3.56,3.59,3.57
2022-12-12,3.51,3.5,3.58,3.57
2022-12-13,3.51,3.5,3.53,3.52
2022-12-14,3.51,3.49,3.52,3.52
2022-12-15,3.47,3.47,3.51,3.5
2022-12-16,3.51,3.46,3.51,3.46
2022-12-19,3.45,3.44,3.52,3.51
2022-12-20,3.42,3.42,3.47,3.44
2022-12-21,3.42,3.41,3.44,3.42
2022-12-22,3.43,3.41,3.45,3.43
2022-12-23,3.41,3.41,3.44,3.42
2022-12-26,3.4,3.39,3.43,3.42
2022-12-27,3.43,3.4,3.44,3.4
2022-12-28,3.43,3.42,3.45,3.42
2022-12-29,3.43,3.4,3.45,3.43
2022-12-30,3.45,3.42,3.47,3.43
2023-01-03,3.44,3.42,3.46,3.46
2023-01-04,3.47,3.44,3.48,3.45
2023-01-05,3.48,3.47,3.49,3.47
2023-01-06,3.47,3.45,3.49,3.49
2023-01-09,3.46,3.45,3.48,3.47
2023-01-10,3.43,3.43,3.47,3.47
2023-01-11,3.44,3.43,3.45,3.44
2023-01-12,3.41,3.41,3.44,3.43
2023-01-13,3.45,3.41,3.45,3.41
2023-01-16,3.47,3.44,3.49,3.45
2023-01-17,3.47,3.45,3.48,3.48
2023-01-18,3.48,3.46,3.48,3.47
2023-01-19,3.48,3.45,3.49,3.47
2023-01-20,3.5,3.47,3.5,3.48
2023-01-30,3.5,3.49,3.53,3.52
2023-01-31,3.49,3.48,3.5,3.49
2023-02-01,3.5,3.47,3.5,3.49
2023-02-02,3.48,3.47,3.5,3.5
2023-02-03,3.45,3.44,3.49,3.48
2023-02-06,3.43,3.43,3.45,3.44
2023-02-07,3.44,3.43,3.45,3.44
2023-02-08,3.44,3.43,3.45,3.45
2023-02-09,3.45,3.43,3.45,3.43
2023-02-10,3.44,3.44,3.45,3.45
2023-02-13,3.44,3.43,3.45,3.45
2023-02-14,3.45,3.44,3.46,3.45

Indicator data:
date,30日,close
2022-07-25,3.6861935483870965,3.61
2022-07-26,3.679268817204302,3.63
2022-07-27,3.6741935483870964,3.65
2022-07-28,3.6703010752688168,3.66
2022-07-29,3.6656129032258065,3.64
2022-08-01,3.659569892473118,3.61
2022-08-02,3.6522365591397854,3.58
2022-08-03,3.647569892473118,3.61
2022-08-04,3.6454623655913982,3.64
2022-08-05,3.6465591397849457,3.68
2022-08-08,3.6444731182795707,3.63
2022-08-09,3.6412258064516125,3.61
2022-08-10,3.636881720430108,3.59
2022-08-11,3.63668817204301,3.65
2022-08-12,3.6360000000000006,3.64
2022-08-15,3.6341720430107523,3.62
2022-08-16,3.633161290322581,3.63
2022-08-17,3.6341935483870964,3.66
2022-08-18,3.6346021505376354,3.65
2022-08-19,3.6337419354838705,3.63
2022-08-22,3.6323440860215053,3.62
2022-08-23,3.6298279569892475,3.6
2022-08-24,3.6269247311827963,3.59
2022-08-25,3.6249247311827957,3.6
2022-08-26,3.6243870967741936,3.62
2022-08-29,3.6212688172043013,3.58
2022-08-30,3.6189892473118275,3.59
2022-08-31,3.6174623655913978,3.6
2022-09-01,3.6166666666666667,3.61
2022-09-02,3.6165376344086018,3.62
2022-09-05,3.6164301075268814,3.62
2022-09-06,3.6169462365591394,3.63
2022-09-07,3.6155268817204296,3.6
2022-09-08,3.6135698924731185,3.59
2022-09-09,3.6130537634408597,3.61
2022-09-13,3.613247311827957,3.62
2022-09-14,3.6127741935483866,3.61
2022-09-15,3.612881720430107,3.62
2022-09-16,3.6097419354838705,3.57
2022-09-19,3.6028817204301067,3.51
2022-09-20,3.595741935483871,3.5
2022-09-21,3.5895268817204298,3.51
2022-09-22,3.5828817204301076,3.5
2022-09-23,3.5777204301075267,3.52
2022-09-26,3.5676774193548386,3.44
2022-09-27,3.5580645161290323,3.44
2022-09-28,3.5475483870967737,3.42
2022-09-29,3.5349032258064517,3.38
2022-09-30,3.5235053763440867,3.39
2022-10-10,3.5133118279569895,3.4
2022-10-11,3.5049032258064514,3.42
2022-10-12,3.4975698924731184,3.43
2022-10-13,3.4886666666666666,3.4
2022-10-14,3.4814623655913977,3.42
2022-10-17,3.4739999999999998,3.41
2022-10-18,3.466344086021506,3.4
2022-10-19,3.4590752688172044,3.4
2022-10-20,3.4509247311827957,3.38
2022-10-21,3.441956989247312,3.36
2022-10-24,3.4303010752688174,3.31
2022-10-25,3.4199569892473116,3.32
2022-10-26,3.4096129032258062,3.31
2022-10-27,3.4006021505376345,3.32
2022-10-28,3.3902580645161295,3.29
2022-10-31,3.3812043010752686,3.3
2022-11-01,3.3760430107526878,3.35
2022-11-02,3.3727526881720427,3.37
2022-11-03,3.3706236559139784,3.38
2022-11-04,3.3722365591397847,3.43
2022-11-07,3.372860215053764,3.41
2022-11-08,3.3736989247311824,3.41
2022-11-09,3.3734408602150543,3.39
2022-11-10,3.3734408602150534,3.39
2022-11-11,3.3769032258064517,3.44
2022-11-14,3.3811827956989253,3.45
2022-11-15,3.3873763440860216,3.48
2022-11-16,3.3915483870967744,3.45
2022-11-17,3.3943655913978503,3.43
2022-11-18,3.3951397849462372,3.4
2022-11-21,3.396537634408602,3.41
2022-11-22,3.4011397849462366,3.46
2022-11-23,3.405655913978495,3.46
2022-11-24,3.4107526881720425,3.47
2022-11-25,3.418924731182796,3.52
2022-11-28,3.422365591397849,3.45
2022-11-29,3.430236559139785,3.52
2022-11-30,3.4378494623655906,3.52
2022-12-01,3.444559139784946,3.51
2022-12-02,3.4496989247311824,3.49
2022-12-05,3.458430107526882,3.55
2022-12-06,3.4685806451612904,3.58
2022-12-07,3.4768817204301077,3.56
2022-12-08,3.484645161290323,3.56
2022-12-09,3.492537634408602,3.57
2022-12-12,3.495956989247312,3.51
2022-12-13,3.4989247311827953,3.51
2022-12-14,3.5015483870967743,3.51
2022-12-15,3.5012903225806444,3.47
2022-12-16,3.5034193548387096,3.51
2022-12-19,3.501505376344086,3.45
2022-12-20,3.4975698924731184,3.42
2022-12-21,3.493612903225806,3.42
2022-12-22,3.4902365591397855,3.43
2022-12-23,3.4854838709677414,3.41
2022-12-26,3.4801505376344086,3.4
2022-12-27,3.4768602150537635,3.43
2022-12-28,3.473677419354839,3.43
2022-12-29,3.470537634408602,3.43
2022-12-30,3.4686881720430107,3.45
2023-01-03,3.466086021505376,3.44
2023-01-04,3.4653548387096773,3.47
2023-01-05,3.4652473118279574,3.48
2023-01-06,3.464451612903226,3.47
2023-01-09,3.463010752688173,3.46
2023-01-10,3.4597634408602156,3.43
2023-01-11,3.4572043010752687,3.44
2023-01-12,3.452881720430107,3.41
2023-01-13,3.4513763440860217,3.45
2023-01-16,3.4512903225806455,3.47
2023-01-17,3.4512473118279567,3.47
2023-01-18,3.452021505376345,3.48
2023-01-19,3.453010752688173,3.48
2023-01-20,3.4554623655913983,3.5
2023-01-30,3.4580430107526885,3.5
2023-01-31,3.4601290322580645,3.49
2023-02-01,3.4629032258064516,3.5
2023-02-02,3.4644086021505376,3.48
2023-02-03,3.4640430107526887,3.45
2023-02-06,3.462430107526882,3.43
2023-02-07,3.461634408602151,3.44
2023-02-08,3.460860215053764,3.44
2023-02-09,3.4606881720430103,3.45
2023-02-10,3.4598064516129035,3.44
2023-02-13,3.458903225806451,3.44
2023-02-14,3.45858064516129,3.45

Answer: 10.0