| 变量 | 相关系数 | VIF |
| 常数项 |
| 1326.137 |
| NNBL | 3.703 | 1.561 |
| RKZZL | 1.961 | 1.954 |
| CXBL | 1.245 | 9.532 |
| GJZC | 1.106 | 8.158 |
| KJSP | 1.028 | 1.112 |
| RJKZPSR | 0.041 | 11.569 |
| RJJYXFZB | 0.099 | 1.152 |
| SSB | 0.266 | 2.014 |
| XXS | 0.358 | 1.901 |
| JXZL | 0.672 | 6.579 |
| ZZJSS | 0.521 | 2.485 |