Table 5.

Eigenvalues and the proportion of variation (%) explained by the principal components.

Component	Eigenvalue	Proportion	Cumulative
1	6.90	43.12	43.12
2	3.36	20.98	64.10
3	2.46	15.38	79.49
4	1.19	7.41	86.90
5	0.73	4.58	91.49
6	0.34	2.15	93.64
7	0.22	1.35	94.99
8	0.20	1.23	96.23
9	0.17	1.07	97.29
10	0.13	0.81	98.11
11	0.11	0.67	98.76
12	0.08	0.49	99.26
13	0.06	0.36	99.62
14	0.03	0.19	99.81
15	0.02	0.14	99.95
16	0.01	0.05	100.00