Table 3.

Eigenvalues of factors extracted through principal component analysis, differences between factors, and proportions of variance explained by the factors.

FactorsEigenvalueDifferenceProportionCumulative
14.78382.28120.36800.3680
22.50250.86210.19250.5605
31.64050.40240.12620.6867
41.23810.40040.09520.7819
50.83760.25920.06440.8463
60.57840.17500.04450.8908
70.40340.02260.03100.9219
80.38080.09080.02930.9512
90.28990.10190.02230.9735
100.18810.10080.01450.9879
110.08720.02370.00670.9947
120.06350.05760.00490.9995
130.00590.00051.0000