(a)

Axis

Eigen value

Variance (%)

Cumulative variance (%)

Dim.1

213.61

58.52

58.52

Dim.2

61.44

16.83

75.36

Dim.3

45.28

12.41

87.76

Dim.4

7.6

2.08

89.84

Dim.5

5.38

1.47

91.32

Dim.6

4.43

1.21

92.53

Dim.7

3.08

0.84

93.38

Dim.8

2.59

0.71

94.08

Dim.9

2.38

0.65

94.73

Dim.10

1.84

0.5

95.24

Dim.11

1.67

0.46

95.69

Dim.12

1.32

0.36

96.06

Dim.13

1.18

0.32

96.38

Dim.14

1.11

0.3

96.69

Dim.15

0.99

0.27

96.96

(b)

Axis

Eigen value

Variance (%)

Cumulative variance (%)

Dim.1

210.02

57.54

57.54

Dim.2

58.15

15.93

73.47

Dim.3

48.75

13.36

86.83

Dim.4

8.58

2.35

89.18

Dim.5

5.99

1.64

90.82

Dim.6

3.91

1.07

91.89

Dim.7

3.28

0.9

92.79

Dim.8

2.85

0.78

93.57

Dim.9

2.55

0.7

94.27

Dim.10

2.09

0.57

94.84

Dim.11

1.79

0.49

95.33

Dim.12

1.66

0.46

95.79

Dim.13

1.34

0.37

96.15

Dim.14

1.09

0.3

96.45

Dim.15

0.99

0.27

96.72