| 年度 | 实际值 |
|---|---|
| 1999 | 16314 |
| 2000 | 17476 |
| 2001 | 18757 |
| 2002 | 28354 |
| 2003 | 42251 |
| 2004 | 46007 |
| 2005 | 51315 |
| 2006 | 172873 |
| 2007 | 251077 |
| 2008 | 295907 |
| 2009 | 245603 |
| 2010 | 245338.179688504 |
| 2011 | 212979 |
| 2012 | 210128.297179141 |
| 2013 | 183770 |
| 2014 | 196279.35 |
| 2015 | 181786.102904888 |
| 2016 | 156835.86 |
| 2017 | 207774 |