| PC | 特征值λ | 累积贡献率(%) |
| PC1 | 10.118 | 91.984 |
| PC2 | 0.758 | 98.877 |
| PC3 | 0.099 | 99.777 |
| PC4 | 0.022 | 99.981 |
| PC5 | 0.002 | 99.997 |
| PC6 | 0.0001 | 99.999 |