| 变量 | 模型1 | 模型2 | 模型3 | 模型4 |
| 注:***,**,*分别表示P<0.001,P<0.05,P<0.1;港澳台数据暂缺;变量含义参见 | ||||
| FR | 0.054*** | 0.001 | ||
| TI | –1.104*** | –0.180*** | ||
| SG | 0.939*** | 0.886*** | ||
| TG | 0.661*** | 0.598*** | ||
| BG | 0.019** | 0.016* | ||
| SI | 1.025*** | 0.869*** | ||
| TI | 0.679*** | 0.664*** | ||
| BI | –0.046*** | –0.041*** | ||
| SE | 0.061*** | 0.063*** | ||
| TE | 0.149*** | 0.153*** | ||
| BE | 0.008* | 0.009** | ||
| SP | –0.043* | –0.041 | ||
| TP | 0.010* | 0.010* | ||
| BP | –0.004 | –0.002 | ||
| SD | 0.218*** | 0.195*** | ||
| TD | 0.358*** | 0.335*** | ||
| BD | 0.004 | 0.004 | ||
| 常数项 | 2.205*** | –31.18*** | 9.231*** | –27.40*** |