Table 8.

Total variance explained of principal components analysis.

Principle Component	Initial Eigenvalues			Extraction Sums of Squared Loadings			Rotation Sums of Squared Loadings
	Total	% of Variance	Cumulative %	Total	% of Variance	Cumulative %	Total	% of Variance	Cumulative %
1	4.2	21.0	21.0	4.2	21.0	21.0	3.9	19.3	19.3
2	2.9	14.3	35.2	2.9	14.3	35.2	2.3	11.7	31.1
3	1.8	9.2	44.4	1.8	9.2	44.4	2.2	10.8	41.8
4	1.6	8.2	52.6	1.6	8.2	52.6	1.6	8.1	49.9
5	1.2	6.0	58.6	1.2	6.0	58.6	1.5	7.5	57.4
6	1.1	5.3	63.9	1.1	5.3	63.9	1.2	6.1	63.5
7	1.0	5.2	69.1	1.0	5.2	69.1	1.1	5.6	69.1
8	0.9	4.7	73.8
9	0.9	4.6	78.4
10	0.8	3.9	82.3
11	0.7	3.5	85.8
12	0.6	3.2	89.0
13	0.6	2.8	91.8
14	0.4	2.2	94.0
15	0.4	2.0	95.9
16	0.4	1.8	97.7
17	0.2	1.2	98.9
18	0.2	1.0	99.9
19	0.0	0.1	100.0
20	0.0	0.0	100.0