| 年度 | 实际值 |
|---|---|
| 1999 | 29311 |
| 2000 | 30683 |
| 2001 | 32341 |
| 2002 | 32289 |
| 2003 | 40364 |
| 2004 | 50891 |
| 2005 | 59841 |
| 2006 | 73485.57688581 |
| 2007 | 83810.4497077434 |
| 2008 | 105297 |
| 2009 | 119194.894473058 |
| 2010 | 142956.802007919 |
| 2011 | 167105 |
| 2012 | 150070.706554259 |
| 2013 | 171536 |
| 2014 | 164814.42 |
| 2015 | 196289.09603003 |
| 2016 | 212378.59 |
| 2017 | 228620 |