| 成分 | 特征值 | 方差贡献率% | 方差累计贡献率% |
| F1 | 2.39 | 34.138 | 34.138 |
| F2 | 1.498 | 21.404 | 55.542 |
| F3 | 1.091 | 15.586 | 71.127 |
| F4 | 0.877 | 12.524 | 83.651 |
| F5 | 0.658 | 9.406 | 93.057 |
| F6 | 0.46 | 6.573 | 99.63 |
| F7 | 0.026 | 0.37 | 100 |