| 年份 | 实际值 | 趋势外推模型 | 相对误差 | 混合时间序列 | 相对误差绝对值(%) |
| 2008 | 7510.82 | 7625.40 | 1.53% | 7617.53 | 1.42% |
| 2009 | 8032.06 | 8321.00 | 3.60% | 8315.95 | 3.53% |
| 2010 | 8674.17 | 9070.30 | 4.57% | 9068.66 | 4.55% |
| 2011 | 9540.28 | 9875.60 | 3.51% | 9877.01 | 3.53% |