Question: 在2025年05月26日至2025年08月07日，宝丰能源5、10、20日简单移动平均线空头排列的天数占总天数的百分比？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: SMA_n = 1 / n * \sum_{i=0}^{n-1} P_{t-i}
Data:
date,close,low,open
2025-04-24,15.55,15.52,15.94
2025-04-25,15.65,15.49,15.6
2025-04-28,15.95,15.51,15.7
2025-04-29,16.06,15.88,15.88
2025-04-30,16.03,15.87,16.09
2025-05-06,15.78,15.45,15.96
2025-05-07,15.79,15.68,15.95
2025-05-08,15.61,15.46,15.71
2025-05-09,15.65,15.52,15.62
2025-05-12,15.8,15.55,15.68
2025-05-13,15.53,15.33,15.43
2025-05-14,15.62,15.37,15.6
2025-05-15,15.99,15.64,15.96
2025-05-16,16.3,16.01,16.05
2025-05-19,16.3,16.13,16.29
2025-05-20,16.7,16.18,16.29
2025-05-21,16.7,16.38,16.63
2025-05-22,16.35,16.3,16.68
2025-05-23,16.39,16.25,16.35
2025-05-26,16.22,16.17,16.39
2025-05-27,16.22,16.07,16.19
2025-05-28,16.12,16.1,16.25
2025-05-29,16.13,16.02,16.1
2025-05-30,16.0,15.82,16.06
2025-06-03,16.11,15.8,15.98
2025-06-04,16.0,15.94,16.12
2025-06-05,16.27,15.91,16.02
2025-06-06,16.46,16.2,16.25
2025-06-09,16.27,16.11,16.47
2025-06-10,16.09,16.0,16.26
2025-06-11,16.0,15.99,16.1
2025-06-12,16.08,15.99,16.04
2025-06-13,16.61,16.33,16.39
2025-06-16,16.51,16.4,16.85
2025-06-17,16.43,16.25,16.48
2025-06-18,16.68,16.45,16.66
2025-06-19,16.7,16.48,16.6
2025-06-20,16.5,16.5,16.75
2025-06-23,16.58,16.5,16.77
2025-06-24,16.33,16.3,16.36
2025-06-25,16.17,16.01,16.36
2025-06-26,16.02,16.0,16.13
2025-06-27,16.25,15.99,16.08
2025-06-30,16.14,16.05,16.26
2025-07-01,16.19,16.06,16.15
2025-07-02,16.38,16.17,16.27
2025-07-03,16.2,16.18,16.39
2025-07-04,16.01,16.0,16.19
2025-07-07,16.03,15.96,16.03
2025-07-08,15.93,15.9,16.02
2025-07-09,15.94,15.93,16.08
2025-07-10,15.61,15.6,15.95
2025-07-11,15.6,15.6,15.62
2025-07-14,15.84,15.64,15.68
2025-07-15,15.66,15.66,16.2
2025-07-16,15.89,15.61,15.65
2025-07-17,15.61,15.54,15.83
2025-07-18,15.75,15.61,15.62
2025-07-21,16.41,15.78,15.82
2025-07-22,16.65,16.32,16.36
2025-07-23,16.45,16.41,16.68
2025-07-24,16.17,16.01,16.35
2025-07-25,16.09,16.08,16.16
2025-07-28,15.9,15.89,16.13
2025-07-29,15.97,15.83,15.87
2025-07-30,16.3,15.97,16.06
2025-07-31,15.54,15.51,16.22
2025-08-01,15.59,15.53,15.55
2025-08-04,15.54,15.45,15.54
2025-08-05,15.62,15.53,15.55
2025-08-06,15.74,15.59,15.64
2025-08-07,15.57,15.53,15.71

Indicator data:
date,5日,10日,20日
2025-05-26,16.472,16.21,15.998500000000002
2025-05-27,16.375999999999998,16.279,16.032
2025-05-28,16.26,16.329,16.055500000000002
2025-05-29,16.216,16.343,16.064500000000002
2025-05-30,16.137999999999998,16.313,16.061500000000002
2025-06-03,16.116,16.294,16.0655
2025-06-04,16.072,16.224,16.076500000000003
2025-06-05,16.102,16.181,16.1005
2025-06-06,16.168,16.192,16.143
2025-06-09,16.222,16.18,16.174
2025-06-10,16.218,16.167,16.188499999999998
2025-06-11,16.218,16.145,16.212
2025-06-12,16.18,16.141,16.235000000000003
2025-06-13,16.209999999999997,16.189,16.266
2025-06-16,16.258,16.240000000000002,16.2765
2025-06-17,16.326,16.272,16.282999999999998
2025-06-18,16.461999999999996,16.339999999999996,16.282
2025-06-19,16.586,16.383000000000003,16.282
2025-06-20,16.564,16.387,16.289499999999997
2025-06-23,16.578,16.418,16.299
2025-06-24,16.558,16.442,16.304499999999997
2025-06-25,16.456,16.459,16.302
2025-06-26,16.32,16.453,16.297
2025-06-27,16.27,16.417,16.303
2025-06-30,16.182,16.38,16.31
2025-07-01,16.154000000000003,16.356,16.314
2025-07-02,16.196,16.326,16.333
2025-07-03,16.232,16.276,16.329500000000003
2025-07-04,16.184,16.226999999999997,16.307
2025-07-07,16.162,16.172,16.294999999999998
2025-07-08,16.110000000000003,16.131999999999998,16.287
2025-07-09,16.022,16.109,16.284
2025-07-10,15.904,16.068,16.2605
2025-07-11,15.822,16.003,16.21
2025-07-14,15.783999999999997,15.973000000000003,16.1765
2025-07-15,15.73,15.920000000000002,16.137999999999998
2025-07-16,15.719999999999999,15.870999999999999,16.0985
2025-07-17,15.719999999999999,15.812000000000001,16.044
2025-07-18,15.75,15.786000000000001,16.0065
2025-07-21,15.863999999999999,15.824000000000002,15.998
2025-07-22,16.062,15.896,16.014
2025-07-23,16.174,15.947,16.028
2025-07-24,16.286,16.003,16.0355
2025-07-25,16.354000000000003,16.052,16.0275
2025-07-28,16.252000000000002,16.058,16.0155
2025-07-29,16.116,16.089,16.0045
2025-07-30,16.086000000000002,16.130000000000003,16.0005
2025-07-31,15.959999999999999,16.122999999999998,15.967499999999998
2025-08-01,15.86,16.107,15.9465
2025-08-04,15.788,16.02,15.922
2025-08-05,15.718,15.916999999999998,15.9065
2025-08-06,15.606,15.846,15.8965
2025-08-07,15.612,15.785999999999998,15.894499999999999

Answer: 28.3019