| 特征值 | 主成分贡献率(%) | 累计贡献率(%) | 变量 | 因子1 | 因子2 |
1 | 2.134 | 71.136 | 71.136 | X5 | 0.168 | 0.985 |
2 | 0.813 | 27.115 | 98.252 | X6 | −0.941 | −0.294 |
3 | 0.052 | 1.748 | 100.000 | X7 | 0.985 | 0.075 |