| 年份 | ARIMA模型 | ARIMA模型 | 灰色模型 | 灰色模型 |
| 拟合值 | 拟合值误差 | 拟合值 | 拟合值误差 | |
| 2016 | 8809.44 | 4.4% | 8755.21 | 1.04% |
| 2017 | 9470.21 | 0.7% | 9258.4 | 1.33% |
| 2018 | 9973.96 | 2.3% | 10100.96 | 1.50% |
| 2019 | 10723.48 | 1.1% | 10739.76 | 1.76% |
| 2020 | 11418.14 | 1.7% | 11233.52 | 0.40% |
| 2021 | 11951.66 | 2.1% | 11709.01 | 1.34% |
| 平均误差 | 2.05% | 1.22% | ||