Importance of components:
                          PC1    PC2    PC3    PC4     PC5     PC6     PC7
Standard deviation     1.7192 1.3840 1.0873 0.8879 0.86038 0.73650 0.60917
Proportion of Variance 0.3284 0.2128 0.1314 0.0876 0.08225 0.06027 0.04123
Cumulative Proportion  0.3284 0.5412 0.6726 0.7602 0.84242 0.90270 0.94393
                           PC8     PC9
Standard deviation     0.57678 0.41471
Proportion of Variance 0.03696 0.01911
Cumulative Proportion  0.98089 1.00000