频率P

分区I

分区II

分区III

P = 1%

2.89

2.16

4.03

P = 2%

2.57

2.00

3.42

P = 4%

2.24

1.82

2.81

P = 5%

2.14

1.76

2.61

P = 10%

1.79

1.57

2.01

P = 50%

0.88

0.96

0.72

P = 75%

0.56

0.69

0.45

P = 85%

0.44

0.57

0.39