Table 3.

Total variance explained.

Component	Initial eigenvalues
Total	% of variance	Cumulative %
1	4.738	59.225	59.225
2	1.862	23.278	82.503
3	0.830	10.369	92.873
4	0.421	5.263	98.136
5	0.127	1.587	99.723
6	0.017	0.213	99.935
7	0.003	0.036	99.971
8	0.002	0.029	100.000