Table 6 Percentages of total variance accounted for by the first ten PCs of the asymmetric component

40St

18.30

11.90

9.87

8.94

7.99

7.01

5.51

4.72

3.90

3.22

40Rb

15.30

12.74

11.41

9.52

6.94

6.42

5.82

4.58

4.20

3.68

Rb(38–39)

20.28

16.17

11.25

7.16

6.20

5.35

5.13

4.29

3.41

2.73

Rb(34–37)

20.78

14.01

10.63

8.63

6.52

5.14

4.72

4.53

3.50

2.80

Rb(31–33)

12.60

12.01

11.24

8.34

6.91

6.51

6.17

5.16

4.49

3.87

Rb(27–30)

22.32

15.22

10.55

8.46

6.72

4.96

4.64

3.76

3.35

2.73