| 因子 | 特征根 | 方差贡献率(%) | 累积贡献率(%) |
| 1 | 5.434 | 33.960 | 33.960 |
| 2 | 3.937 | 24.607 | 58.567 |
| 3 | 2.178 | 13.610 | 72.177 |
| 4 | 1.236 | 7.727 | 79.904 |
| 5 | 1.115 | 6.966 | 86.870 |