年份 | tfp | effch | tech |
2015 | 0.509 | 0.704 | 0.749 |
2016 | 0.572 | 0.572 | 0.746 |
2017 | 0.6300 | 0.7600 | 0.8510 |
2018 | 0.557 | 0.726 | 0.803 |
2019 | 0.437 | 0.637 | 0.743 |
2020 | 0.383 | 0.633 | 0.67 |
均值 | 0.514 | 0.672 | 0.760 |