| 年份 | Logistic模型预测值与 真实值差值 | Smith模型预测值与 真实值差值 |
| 2016 | 0.002 | −0.002 |
| 2017 | 0.004 | 0.001 |
| 2018 | 0.009 | 0.000 |
| 2019 | 0.011 | −0.001 |
| 2020 | 0.009 | −0.003 |
| 2021 | 0.016 | 0.001 |
| 2022 | 0.022 | 0.006 |