PCs

Eigenvalue

Variation%

Cumulative percentage (%)

PC1

3.16

7.9

7.9

PC2

3.01

7.5

15.4

PC3

2.8

7.1

22.6

PC4

2.5

6.3

28.9

PC5

2.4

6.2

35.1

PC6

2.2

5.7

40.7

PC7

2.2

5.5

46.2

PC8

1.9

4.9

51.1

PC9

1.9

4.9

56.0

PC10

1.8

4.5

60.6

PC11

1.6

4.2

64.8

PC12

1.6

4.1

68.9

PC13

1.4

3.7

72.5

PC14

1.4

3.6

76.1

PC15

1.3

3.3

79.4

PC16

1.1

2.8

82.3

PC17

0.98

2.5

84.7

PC18

0.91

2.3

87.0

PC19

0.90

2.3

89.3

PC20

0.87

2.2

91.5

PC21

0.79

2.0

93.5

PC22

0.74

1.9

95.3

PC23

0.66

1.7

97.0

PC24

0.65

1.6

98.6

PC25

0.544

1.4

100