| 因变量 | 系数 | 标准系数 | t | pt | VIF |
| (常量) | 0.831 |
| 0.727 | 0.491 | |
| GDP | 1.022 | 1.442 | 3.497 | 0.010 | 4.761 |
| IS | −0.035 | −1.212 | −2.250 | 0.059 | 6.639 |
| FAI | −0.099 | −0.685 | −2.175 | 0.066 | 2.030 |
| CEU | −0.663 | −1.352 | −3.571 | 0.009 | 4.015 |