| 北部沿海 | 东北 | 东部沿海 | 南部沿海 | 西南 | 西北 | 黄河中游 | 长江中游 | 八大区域 |
2005 | 1.474 | 0.986 | 1.313 | 1.135 | 0.946 | 0.830 | 1.089 | 1.157 | 1.116 |
2006 | 1.543 | 0.972 | 1.491 | 1.243 | 0.952 | 0.856 | 1.165 | 1.214 | 1.179 |
2007 | 1.586 | 0.989 | 1.587 | 1.290 | 0.929 | 0.873 | 1.173 | 1.244 | 1.209 |
2008 | 1.457 | 1.083 | 1.774 | 1.255 | 0.946 | 0.928 | 1.232 | 1.388 | 1.258 |
2009 | 1.332 | 1.119 | 1.779 | 1.293 | 0.981 | 1.058 | 1.270 | 1.434 | 1.283 |
2010 | 1.376 | 1.239 | 1.932 | 1.353 | 1.035 | 1.091 | 1.455 | 1.505 | 1.373 |
2011 | 1.450 | 1.219 | 2.059 | 1.472 | 1.191 | 1.204 | 1.618 | 1.479 | 1.462 |
2012 | 1.517 | 1.305 | 2.049 | 1.607 | 1.196 | 1.320 | 1.665 | 1.623 | 1.535 |
2013 | 2.273 | 1.293 | 1.779 | 1.368 | 1.378 | 2.465 | 1.567 | 1.668 | 1.724 |
2014 | 2.401 | 1.615 | 1.801 | 1.481 | 1.181 | 0.736 | 1.644 | 1.693 | 1.569 |
2015 | 2.497 | 1.243 | 1.792 | 1.498 | 1.217 | 0.629 | 1.627 | 1.725 | 1.529 |
平均 | 1.719 | 1.188 | 1.760 | 1.363 | 1.087 | 1.090 | 1.410 | 1.466 | 1.385 |