| 年度 | 实际值 |
|---|---|
| 1999 | 136037 |
| 2000 | 149513 |
| 2001 | 162208 |
| 2002 | 172961 |
| 2003 | 166312 |
| 2004 | 204392 |
| 2005 | 255147 |
| 2006 | 294869.219219138 |
| 2007 | 359298.586945743 |
| 2008 | 349315 |
| 2009 | 319697.068764692 |
| 2010 | 383375.503688779 |
| 2011 | 467684 |
| 2012 | 512736.239278126 |
| 2013 | 539182 |
| 2014 | 564661.44 |
| 2015 | 598286.951647497 |
| 2016 | 644471.59 |
| 2017 | 681738 |