Question: 澜起科技从2023年02月20日到2023年09月11日，收盘价大于唐安奇通道下轨的天数比例是多少？（单位：%）（标准版：20日内最高价和最低价，中轨用两者均值）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: Upper = max_{i=0}^{n-1} H_{t-i}；Lower = min_{i=0}^{n-1} L_{t-i}；Middle = (Upper + Lower) / 2
Data:
date,high,low,close
2023-01-17,62.96,61.2,62.14
2023-01-18,62.7,61.41,62.14
2023-01-19,63.0,61.4,62.97
2023-01-20,64.65,62.99,64.65
2023-01-30,66.15,58.88,59.84
2023-01-31,57.6,54.1,55.41
2023-02-01,56.77,55.33,56.38
2023-02-02,57.15,56.02,56.53
2023-02-03,57.09,55.55,56.51
2023-02-06,57.16,56.31,56.88
2023-02-07,57.06,56.6,56.88
2023-02-08,58.79,57.02,57.13
2023-02-09,61.09,56.24,60.96
2023-02-10,63.36,60.5,60.9
2023-02-13,63.3,59.67,62.85
2023-02-14,63.68,60.98,62.8
2023-02-15,65.59,62.09,65.55
2023-02-16,67.8,62.66,62.89
2023-02-17,62.89,60.65,61.05
2023-02-20,61.84,59.88,61.1
2023-02-21,61.44,57.35,58.28
2023-02-22,59.04,57.77,58.18
2023-02-23,58.57,57.41,57.72
2023-02-24,59.15,57.9,58.33
2023-02-27,59.28,57.5,58.0
2023-02-28,59.27,57.07,57.77
2023-03-01,58.31,56.58,57.48
2023-03-02,58.1,56.6,56.86
2023-03-03,57.97,56.81,57.62
2023-03-06,58.24,56.68,57.4
2023-03-07,57.68,56.12,56.17
2023-03-08,56.45,55.4,55.9
2023-03-09,57.15,55.66,56.74
2023-03-10,56.77,55.42,55.88
2023-03-13,56.15,54.65,55.52
2023-03-14,56.19,54.65,55.99
2023-03-15,57.79,56.0,56.07
2023-03-16,57.38,55.66,56.31
2023-03-17,58.69,55.55,57.92
2023-03-20,63.75,59.01,62.59
2023-03-21,64.41,60.91,62.06
2023-03-22,65.1,61.5,63.13
2023-03-23,69.0,63.21,69.0
2023-03-24,72.57,69.07,70.17
2023-03-27,71.77,67.41,68.59
2023-03-28,69.25,64.0,64.48
2023-03-29,70.3,63.25,68.24
2023-03-30,72.33,68.16,70.0
2023-03-31,69.84,67.06,69.52
2023-04-03,71.87,68.24,71.53
2023-04-04,78.0,70.05,74.0
2023-04-06,79.26,72.15,75.23
2023-04-07,78.75,74.12,76.3
2023-04-10,77.5,71.3,71.7
2023-04-11,74.88,71.45,72.6
2023-04-12,77.66,73.04,76.41
2023-04-13,75.48,71.5,71.65
2023-04-14,74.65,69.75,74.19
2023-04-17,74.86,71.19,72.0
2023-04-18,72.43,69.45,70.68
2023-04-19,74.43,70.12,72.1
2023-04-20,76.49,72.01,76.46
2023-04-21,78.52,72.06,72.06
2023-04-24,72.94,68.53,69.2
2023-04-25,71.48,67.98,68.75
2023-04-26,68.05,64.0,64.2
2023-04-27,65.3,62.55,63.04
2023-04-28,62.67,58.4,60.9
2023-05-04,61.35,59.17,59.35
2023-05-05,60.55,58.66,58.94
2023-05-08,60.26,58.7,59.41
2023-05-09,59.87,57.87,57.87
2023-05-10,58.82,56.0,56.49
2023-05-11,57.78,55.5,55.79
2023-05-12,56.48,53.5,53.73
2023-05-15,54.5,52.4,54.15
2023-05-16,55.14,53.21,53.81
2023-05-17,55.98,53.3,55.15
2023-05-18,58.83,54.96,58.0
2023-05-19,61.5,58.85,58.96
2023-05-22,60.99,58.25,59.41
2023-05-23,59.49,57.57,57.7
2023-05-24,59.19,57.21,58.0
2023-05-25,60.24,58.09,60.1
2023-05-26,62.2,60.01,61.14
2023-05-29,64.63,62.31,62.92
2023-05-30,64.35,60.22,63.73
2023-05-31,64.73,63.11,63.8
2023-06-01,63.14,61.86,62.1
2023-06-02,62.55,59.6,60.69
2023-06-05,61.68,59.87,60.28
2023-06-06,61.2,59.07,59.09
2023-06-07,60.45,57.88,59.91
2023-06-08,59.99,57.0,57.11
2023-06-09,58.19,56.2,58.19
2023-06-12,58.69,56.81,58.2
2023-06-13,63.05,57.3,62.85
2023-06-14,63.6,61.85,62.91
2023-06-15,63.3,61.05,61.49
2023-06-16,61.4,59.98,60.83
2023-06-19,63.27,61.05,62.11
2023-06-20,62.61,60.1,60.4
2023-06-21,60.42,58.08,58.08
2023-06-26,57.57,55.31,56.0
2023-06-27,56.7,55.0,56.09
2023-06-28,56.73,54.82,55.38
2023-06-29,57.41,55.51,55.67
2023-06-30,57.68,55.4,57.42
2023-07-03,60.33,56.7,59.87
2023-07-04,63.55,59.87,62.7
2023-07-05,63.8,62.3,62.68
2023-07-06,65.1,62.0,63.72
2023-07-07,65.17,62.68,63.7
2023-07-10,63.0,60.5,61.0
2023-07-11,62.94,60.78,61.97
2023-07-12,60.95,58.08,59.08
2023-07-13,61.98,59.31,61.48
2023-07-14,62.79,61.5,61.99
2023-07-17,62.6,60.03,61.1
2023-07-18,62.12,60.16,60.17
2023-07-19,60.54,58.1,59.19
2023-07-20,59.34,57.5,57.75
2023-07-21,58.8,57.15,57.6
2023-07-24,59.57,57.6,58.59
2023-07-25,59.59,58.11,59.28
2023-07-26,59.59,58.28,58.69
2023-07-27,59.11,57.36,58.1
2023-07-28,59.4,57.69,59.02
2023-07-31,60.08,57.61,57.92
2023-08-01,58.88,57.13,57.63
2023-08-02,57.5,56.3,56.65
2023-08-03,57.1,56.08,56.95
2023-08-04,58.98,56.6,58.05
2023-08-07,58.25,57.5,57.79
2023-08-08,59.31,57.3,57.49
2023-08-09,57.75,56.31,56.63
2023-08-10,57.17,55.51,56.87
2023-08-11,56.99,54.4,54.55
2023-08-14,54.98,52.83,53.08
2023-08-15,53.3,50.96,51.15
2023-08-16,51.15,48.2,48.75
2023-08-17,49.68,47.98,48.81
2023-08-18,49.86,48.53,48.62
2023-08-21,49.26,47.72,47.8
2023-08-22,49.36,46.85,49.16
2023-08-23,49.08,48.12,48.43
2023-08-24,50.8,48.31,49.7
2023-08-25,50.28,47.75,48.02
2023-08-28,52.94,48.51,48.75
2023-08-29,51.19,48.33,50.8
2023-08-30,52.8,50.8,51.47
2023-08-31,52.1,51.02,51.24
2023-09-01,52.2,50.36,51.36
2023-09-04,51.7,50.76,51.62
2023-09-05,52.8,51.33,51.62
2023-09-06,53.98,51.13,53.79
2023-09-07,53.78,50.72,51.5
2023-09-08,52.41,50.99,51.65
2023-09-11,52.36,51.36,51.81

Indicator data:
date,Upper,Middle,Lower,close
2023-02-20,67.8,60.95,54.1,61.1
2023-02-21,67.8,60.95,54.1,58.28
2023-02-22,67.8,60.95,54.1,58.18
2023-02-23,67.8,60.95,54.1,57.72
2023-02-24,67.8,60.95,54.1,58.33
2023-02-27,67.8,60.95,54.1,58.0
2023-02-28,67.8,61.565,55.33,57.77
2023-03-01,67.8,61.675,55.55,57.48
2023-03-02,67.8,61.675,55.55,56.86
2023-03-03,67.8,62.019999999999996,56.24,57.62
2023-03-06,67.8,62.019999999999996,56.24,57.4
2023-03-07,67.8,61.959999999999994,56.12,56.17
2023-03-08,67.8,61.599999999999994,55.4,55.9
2023-03-09,67.8,61.599999999999994,55.4,56.74
2023-03-10,67.8,61.599999999999994,55.4,55.88
2023-03-13,67.8,61.224999999999994,54.65,55.52
2023-03-14,67.8,61.224999999999994,54.65,55.99
2023-03-15,67.8,61.224999999999994,54.65,56.07
2023-03-16,62.89,58.769999999999996,54.65,56.31
2023-03-17,61.84,58.245000000000005,54.65,57.92
2023-03-20,63.75,59.2,54.65,62.59
2023-03-21,64.41,59.53,54.65,62.06
2023-03-22,65.1,59.875,54.65,63.13
2023-03-23,69.0,61.825,54.65,69.0
2023-03-24,72.57,63.61,54.65,70.17
2023-03-27,72.57,63.61,54.65,68.59
2023-03-28,72.57,63.61,54.65,64.48
2023-03-29,72.57,63.61,54.65,68.24
2023-03-30,72.57,63.61,54.65,70.0
2023-03-31,72.57,63.61,54.65,69.52
2023-04-03,72.57,63.61,54.65,71.53
2023-04-04,78.0,66.325,54.65,74.0
2023-04-06,79.26,66.955,54.65,75.23
2023-04-07,79.26,66.955,54.65,76.3
2023-04-10,79.26,66.955,54.65,71.7
2023-04-11,79.26,66.955,54.65,72.6
2023-04-12,79.26,67.405,55.55,76.41
2023-04-13,79.26,67.405,55.55,71.65
2023-04-14,79.26,67.405,55.55,74.19
2023-04-17,79.26,69.135,59.01,72.0
2023-04-18,79.26,70.08500000000001,60.91,70.68
2023-04-19,79.26,70.38,61.5,72.1
2023-04-20,79.26,71.235,63.21,76.46
2023-04-21,79.26,71.255,63.25,72.06
2023-04-24,79.26,71.255,63.25,69.2
2023-04-25,79.26,71.255,63.25,68.75
2023-04-26,79.26,71.255,63.25,64.2
2023-04-27,79.26,70.905,62.55,63.04
2023-04-28,79.26,68.83,58.4,60.9
2023-05-04,79.26,68.83,58.4,59.35
2023-05-05,79.26,68.83,58.4,58.94
2023-05-08,79.26,68.83,58.4,59.41
2023-05-09,78.75,68.31,57.87,57.87
2023-05-10,78.52,67.25999999999999,56.0,56.49
2023-05-11,78.52,67.00999999999999,55.5,55.79
2023-05-12,78.52,66.00999999999999,53.5,53.73
2023-05-15,78.52,65.46,52.4,54.15
2023-05-16,78.52,65.46,52.4,53.81
2023-05-17,78.52,65.46,52.4,55.15
2023-05-18,78.52,65.46,52.4,58.0
2023-05-19,78.52,65.46,52.4,58.96
2023-05-22,78.52,65.46,52.4,59.41
2023-05-23,78.52,65.46,52.4,57.7
2023-05-24,72.94,62.67,52.4,58.0
2023-05-25,71.48,61.94,52.4,60.1
2023-05-26,68.05,60.224999999999994,52.4,61.14
2023-05-29,65.3,58.849999999999994,52.4,62.92
2023-05-30,64.63,58.515,52.4,63.73
2023-05-31,64.73,58.565,52.4,63.8
2023-06-01,64.73,58.565,52.4,62.1
2023-06-02,64.73,58.565,52.4,60.69
2023-06-05,64.73,58.565,52.4,60.28
2023-06-06,64.73,58.565,52.4,59.09
2023-06-07,64.73,58.565,52.4,59.91
2023-06-08,64.73,58.565,52.4,57.11
2023-06-09,64.73,58.565,52.4,58.19
2023-06-12,64.73,58.97,53.21,58.2
2023-06-13,64.73,59.015,53.3,62.85
2023-06-14,64.73,59.845,54.96,62.91
2023-06-15,64.73,60.465,56.2,61.49
2023-06-16,64.73,60.465,56.2,60.83
2023-06-19,64.73,60.465,56.2,62.11
2023-06-20,64.73,60.465,56.2,60.4
2023-06-21,64.73,60.465,56.2,58.08
2023-06-26,64.73,60.02,55.31,56.0
2023-06-27,64.73,59.865,55.0,56.09
2023-06-28,64.73,59.775000000000006,54.82,55.38
2023-06-29,64.73,59.775000000000006,54.82,55.67
2023-06-30,63.6,59.21,54.82,57.42
2023-07-03,63.6,59.21,54.82,59.87
2023-07-04,63.6,59.21,54.82,62.7
2023-07-05,63.8,59.31,54.82,62.68
2023-07-06,65.1,59.959999999999994,54.82,63.72
2023-07-07,65.17,59.995000000000005,54.82,63.7
2023-07-10,65.17,59.995000000000005,54.82,61.0
2023-07-11,65.17,59.995000000000005,54.82,61.97
2023-07-12,65.17,59.995000000000005,54.82,59.08
2023-07-13,65.17,59.995000000000005,54.82,61.48
2023-07-14,65.17,59.995000000000005,54.82,61.99
2023-07-17,65.17,59.995000000000005,54.82,61.1
2023-07-18,65.17,59.995000000000005,54.82,60.17
2023-07-19,65.17,59.995000000000005,54.82,59.19
2023-07-20,65.17,59.995000000000005,54.82,57.75
2023-07-21,65.17,59.995000000000005,54.82,57.6
2023-07-24,65.17,59.995000000000005,54.82,58.59
2023-07-25,65.17,59.995000000000005,54.82,59.28
2023-07-26,65.17,60.285,55.4,58.69
2023-07-27,65.17,60.285,55.4,58.1
2023-07-28,65.17,60.935,56.7,59.02
2023-07-31,65.17,61.16,57.15,57.92
2023-08-01,65.17,61.150000000000006,57.13,57.63
2023-08-02,65.17,60.735,56.3,56.65
2023-08-03,65.17,60.625,56.08,56.95
2023-08-04,63.0,59.54,56.08,58.05
2023-08-07,62.94,59.51,56.08,57.79
2023-08-08,62.79,59.435,56.08,57.49
2023-08-09,62.79,59.435,56.08,56.63
2023-08-10,62.79,59.15,55.51,56.87
2023-08-11,62.6,58.5,54.4,54.55
2023-08-14,62.12,57.474999999999994,52.83,53.08
2023-08-15,60.54,55.75,50.96,51.15
2023-08-16,60.08,54.14,48.2,48.75
2023-08-17,60.08,54.03,47.98,48.81
2023-08-18,60.08,54.03,47.98,48.62
2023-08-21,60.08,53.9,47.72,47.8
2023-08-22,60.08,53.465,46.85,49.16
2023-08-23,60.08,53.465,46.85,48.43
2023-08-24,60.08,53.465,46.85,49.7
2023-08-25,60.08,53.465,46.85,48.02
2023-08-28,59.31,53.08,46.85,48.75
2023-08-29,59.31,53.08,46.85,50.8
2023-08-30,59.31,53.08,46.85,51.47
2023-08-31,59.31,53.08,46.85,51.24
2023-09-01,59.31,53.08,46.85,51.36
2023-09-04,59.31,53.08,46.85,51.62
2023-09-05,57.75,52.3,46.85,51.62
2023-09-06,57.17,52.010000000000005,46.85,53.79
2023-09-07,56.99,51.92,46.85,51.5
2023-09-08,54.98,50.915,46.85,51.65
2023-09-11,53.98,50.415,46.85,51.81

Answer: 99.2857