Table 1.

Cumulative values of variance for the six main components.

Component	Initial Eigenvalues
	Total	% Variance	Cumulative %
1	14.00	42.40	42.40
2	2.61	7.92	50.31
3	2.06	6.24	56.56
4	1.45	4.39	60.95
5	1.31	3.97	64.91
6	1.18	3.59	68.50
7–33	0.82–0.15	2.49–0.48	71.0–100