Component Initial Eigen values Extraction Sums of squared  loadings Rotations sums of squared loadings
  Total % of variance Cumulative % Total % of variance Cumulative % Total % of variance Cumulative %
1 3.837 47.961 47.961 3.837 47.961 47.961 2.668 33.347 3.347
2 1.79 22.376 70.337 1.79 22.376 70.337 2.621 32.765 66.11
3 1.262 15.781 86.118 1.262 15.781 86.118 1.6 20.006 86.11
4 0.613 7.668 93.786            
5 0.294 3.675 97.461            
6 0.145 1.811 99.273            
7 0.044 0.547 99.82            
8 0.014 0.18 100            
Table 14: Results of principal components analysis.