| 年份(年) | 模型计算值 | 实际值 | 残差 | 相对误差% | 
| 2011 | 71 | 71 | 0 | 0 | 
| 2012 | 72.583 | 74 | 1.417 | 1.914 | 
| 2013 | 76.437 | 77 | 0.563 | 0.732 | 
| 2014 | 80.494 | 81 | 0.506 | 0.624 | 
| 2015 | 84.768 | 84 | −0.768 | 0.914 | 
| 2016 | 89.268 | 89 | −0.268 | 0.301 | 
| 2017 | 94.007 | 91 | −3.007 | 3.304 | 
| 2018 | 98.998 | 97 | −1.998 | 2.059 | 
| 2019 | 104.253 | 108 | 3.747 | 3.469 | 
| 2020 | 109.788 | 110 | 0.212 | 0.193 |