| 变量 | 平均值 | 标准差 | 最小值 | 最大值 | 样本量 |
|---|---|---|---|---|---|
| Inno | 1.916 | 1.610 | -1.722 | 6.543 | 496 |
| Rail | 0.246 | 0.431 | 0 | 1 | 496 |
| Inv | 36.980 | 138.840 | 0 | 1 722 | 496 |
| Tech | 1.799 | 1.726 | 0.054 | 16.135 | 496 |
| Lab | 14.711 | 8.396 | 2.770 | 54.768 | 496 |
| Gdp | 16.213 | 0.932 | 13.468 | 18.360 | 496 |
| Rev | 13.941 | 1.110 | 10.862 | 16.938 | 496 |
| Pop | 5.620 | 0.595 | 4.098 | 7.803 | 496 |
| Ind | 133.181 | 53.368 | 61.680 | 411.15 | 496 |
| Fdi | 12.790 | 1.584 | 8.072 | 15.488 | 496 |
