年份 | 系数 | T统计量 | P值 |
2015 | −0.501199 | −0.455408 | 0.648815 |
2016 | −0.239233 | −0.207396 | 0.835700 |
2017 | 0.055869 | 0.046263 | 0.963100 |
2018 | 0.096189 | 0.076218 | 0.939246 |
2019 | 0.163271 | 0.123883 | 0.901408 |
2020 | 0.169612 | 0.126854 | 0.899056 |
2021 | 0.255492 | 0.183683 | 0.854262 |