a 1

a 2

a 3

a 4

a 5

a 6

a 7

d

x 1

0.7

0.87

0.7

0.61

0.76

0.68

0.66

x 2

0.8

0.73

0.68

0.65

0.9

0.8

0.76

x 3

0.75

0.84

0.65

0.5

0.45

0.6

0.56

x 4

0.48

0.5

0.62

0.8

0.63

0.7

0.53

x 5

0.67

0.6

0.52

0.52

0.65

0.6

0.48

x 6

0.9

0.8

0.68

0.76

0.8

0.82

0.5

x 7

0.9

0.93

0.6

0.65

0.58

0.7

0.72

x 8

0.9

0.83

0.3

0.56

0.5

0.56

0.37

x 9

0.54

0.8

0.45

0.5

0.62

0.38

0.7