| 主成分因子 | 特征值 | 贡献率/% | 累积贡献率/% |
| 1 | 3.527 | 58.784 | 58.784 |
| 2 | 1.336 | 22.261 | 81.045 |
| 3 | 0.691 | 11.522 | 92.567 |
| 4 | 0.302 | 5.034 | 97.601 |
| 5 | 0.119 | 1.980 | 99.581 |
| 6 | 0.025 | 0.419 | 100 |