| 年份 | 水稻的原最低收购价 | 水稻的最低收购价预测值 | 误差值 | 白小麦的原最低收购价 | 白小麦的最低收购价预测值 | 误差值 |
| 2000 | 57.00 | 56.3614 | −1.13304 | 56.80 | 56.3218 | −0.84905 |
| 2001 | 57.00 | 56.3618 | −1.13233 | 56.2 | 56.322 | 0.216612 |
| 2002 | 50.00 | 56.3622 | 11.28806 | 55 | 56.3227 | 2.348431 |
| 2003 | 52.00 | 56.3625 | 7.740075 | 55 | 56.3235 | 2.349818 |
| 2004 | 72.33 | 76.3629 | 5.281229 | 59 | 57.3239 | −2.92391 |
| 2005 | 72.33 | 76.3633 | 5.281726 | 65 | 66.3243 | 1.996704 |
| 2006 | 72.33 | 76.3636 | 5.282098 | 72 | 70.3246 | −2.38238 |
| 2007 | 72.33 | 76.3640 | 5.282594 | 72 | 71.3250 | −0.94637 |
| 2008 | 79.33 | 79.3640 | 0.042841 | 77 | 76.3254 | −0.88385 |
| 2009 | 92.33 | 89.3643 | −3.31866 | 87 | 76.3257 | −13.9852 |
| 2010 | 98.33 | 106.3646 | 7.553829 | 90 | 86.3246 | −4.25765 |
| 2011 | 112.33 | 116.3649 | 3.467455 | 95 | 96.3267 | 1.377292 |
| 2012 | 128.33 | 126.3654 | −1.5547 | 102 | 103.3271 | 1.284368 |
| 2013 | 139.0 | 136.3662 | −1.93142 | 112 | 112.3274 | 0.291469 |
| 2014 | 142.67 | 138.3664 | −3.11029 | 118 | 115.3277 | −2.31714 |