| 成分 | 特征值 | 贡献率% | 累计贡献率% |
| 1 | 0.791 | 39.458 | 39.458 |
| 2 | 0.266 | 13.290 | 52.749 |
| 3 | 0.115 | 5.731 | 58.480 |
| 4 | 0.094 | 4.6781 | 63.158 |
| 5 | 0.082 | 4.092 | 67.250 |
| 6 | 0.066 | 3.301 | 70.550 |
| 7 | 0.057 | 2.869 | 73.419 |
| 8 | 0.053 | 2.667 | 76.086 |
| 9 | 0.045 | 2.239 | 78.326 |
| 10 | 0.044 | .2.179 | 80.500 |