F1

F2

F3

F4

F5

F6

F7

Eigenvalue

2.216

1.470

1.046

0.845

0.698

0.415

0.310

Variability (%)

31.661

21.007

14.939

12.071

9.964

5.927

4.431

Cumulative (%)

31.661

52.667

67.607

79.678

89.643

95.569

100.000