年份 | 实际值 | 预测值 | 残差 | 相对残差 |
2009 | 2.63 | - | - | - |
2010 | 2.73 | 2.92 | −0.19 | −0.07 |
2011 | 2.96 | 2.80 | 0.16 | 0.05 |
2012 | 2.58 | 2.68 | −0.10 | −0.04 |
2013 | 2.85 | 2.57 | 0.27 | 0.09 |
2014 | 2.58 | 2.47 | 0.11 | 0.04 |
2015 | 2.28 | 2.36 | −0.08 | −0.03 |
2016 | 2.05 | 2.26 | −0.21 | −0.10 |
2017 | 2.12 | 2.17 | −0.05 | −0.05 |
2018 | 2.17 | 2.08 | 0.09 | 0.09 |
2019 |
| 1.99 |
|
|
2020 |
| 1.91 |
|
|
2021 |
| 1.83 |
|
|
2022 |
| 1.75 |
|
|
2023 |
| 1.68 |
|
|
2024 |
| 1.61 |
|
|
2025 |
| 1.54 |
|
|