| Main factor | Initial factor | Extraction principal factor | ||||
| Eigenvalue | Variance contribution rate | Cumulative contribution rate | Eigenvalues | Variance contribution rate | Cumulative contribution rate | |
| 1 | 2.966 | 59.317 | 59.317 | 2.966 | 59.317 | 59.317 |
| 2 | 1.512 | 30.239 | 89.557 | 1.512 | 30.239 | 89.557 |
| 3 | 0.283 | 5.652 | 95.209 |
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| 4 | 0.194 | 3.871 | 99.08 |
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| 5 | 0.046 | 0.92 | 100 |
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