β₂取值

0.133

0.173

0.213

0.233

0.253

0.293

0.333

平均价格

64.5

66.3

68.7

69.1

70.9

71.7

73

完成率

59.1%

61.8%

60.6%

62.4%

62.5%

64.1%

66.5%

β₃取值

1.141

1.541

1.941

2.141

2.341

2.741

3.141

平均价格

60.78

66.4

67.5

69.1

70.1

71.15

70.6

完成率

54.1%

57.5%

59.3%

62.4%

62.9%

63.5%

63.4%