Table 3.

Eigenvalues of the correlation matrix

	Eigenvalues	Proportion of variance	Cumulative variance
1	8.45	0.42	0.42
2	1.77	0.09	0.51
3	1.35	0.07	0.58
4	1.11	0.06	0.63
5	0.97	0.05	0.68