| 总方差解释 | |||
| 成分 | 特征值 | 方差百分比 | 累积百分比 |
| 1 | 2.827 | 44.1 | 44.1 |
| 2 | 0.717 | 11.2 | 55.3 |
| 3 | 0.657 | 10.2 | 65.6 |
| 4 | 0.537 | 8.3 | 74 |
| 5 | 0.429 | 6.7 | 80.7 |