| 年份 | Y | t2 | r2 |
| 2015 | 53179.00 | 53052.88 | 126.12 |
| 2016 | 51580.00 | 51382.24 | 197.76 |
| 2017 | 52992.00 | 52322.33 | 669.67 |
| 2018 | 53548.00 | 52904.05 | 643.95 |
| 2019 | 56941.00 | 56326.45 | 614.54 |