(a)

Axis

Eigen value

Variance (%)

Cumulative variance (%)

Dim.1

207.58

56.87

56.87

Dim.2

60.93

16.69

73.56

Dim.3

48.68

13.34

86.9

Dim.4

8.17

2.24

89.14

Dim.5

6.48

1.77

90.92

Dim.6

4.51

1.24

92.15

Dim.7

3.9

1.07

93.22

Dim.8

2.74

0.75

93.97

Dim.9

2.49

0.68

94.65

Dim.10

1.9

0.52

95.17

Dim.11

1.53

0.42

95.59

Dim.12

1.46

0.4

95.99

Dim.13

1.43

0.39

96.39

Dim.14

1.2

0.33

96.72

Dim.15

1.04

0.29

97

Dim.16

0.85

0.23

97.23

(b)

Axis

Eigen value

Variance (%)

Cumulative variance (%)

Dim.1

208.7

57.18

57.18

Dim.2

59.44

16.29

73.46

Dim.3

52.66

14.43

87.89

Dim.4

7.82

2.14

90.04

Dim.5

5.29

1.45

91.48

Dim.6

3.92

1.07

92.56

Dim.7

3.32

0.91

93.47

Dim.8

2.89

0.79

94.26

Dim.9

2.31

0.63

94.89

Dim.10

1.96

0.54

95.43

Dim.11

1.46

0.4

95.83

Dim.12

1.32

0.36

96.19

Dim.13

1.09

0.3

96.49

Dim.14

1.05

0.29

96.77

Dim.15

0.99

0.27

97.05

Dim.17

0.74

0.2

97.47