Table 1. Variance explained by first 10 PC scores coming from GPA in SSS + LS + PCA.

PCscores	Eigenvalues%	Variance%	Cumulative%
PC1	7667.726	62.504	62.504
PC2	612.476	4.993	67.496
PC3	469.388	3.826	71.322
PC4	404.313	3.296	74.618
PC5	304.468	2.482	77.100
PC6	288.151	2.349	79.449
PC7	265.016	2.160	81.609
PC8	230.903	1.882	83.491
PC9	162.446	1.324	84.816
PC10	155.662	1.269	86.085