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| Contribution rate | |
|---|---|
| 1st principal component | 8.75 × 10−1 |
| 2nd principal component | 1.20 × 10−1 |
| 3rd principal component | 4.79 × 10−3 |
| 4th principal component | 5.03 × 10−5 |
| 5th principal component | 7.08 × 10−6 |
| 6th principal component | 2.97 × 10−7 |
| 7th principal component | 2.30 × 10−8 |
