Table 2.

Principal component analysis summary.

PC	R2X(Cum)	Q2X(Cum)	Eigenvalues
1	0.2883	0.2582	12.1088
2	0.4993	0.6172	8.8615
3	0.6122	0.8371	4.7413
4	0.7137	0.9498	4.2656
5	0.7726	0.9875	2.4729
6	0.8161	0.9975	1.8260
7	0.8486	0.9996	1.3642
8	0.8754	0.9999	1.1253
9	0.8978	1.0000	0.9402
10	0.9112	1.0000	0.5660