| 特征值 | 主成分贡献率(%) | 累计贡献率(%) | 变量 | 因子1 | 因子2 |
1 | 2.17 | 54.239 | 54.239 | X15 | 0.706 | 0.48 |
2 | 1.096 | 27.411 | 81.65 | X16 | 0.855 | −0.213 |
3 | 0.554 | 13.84 | 95.49 | X17 | 0.94 | 0.061 |
4 | 0.18 | 4.51 | 100 | X18 | −0.237 | 0.904 |