| 年度 | 实际值 |
|---|---|
| 1999 | 36361 |
| 2000 | 32935 |
| 2001 | 37724 |
| 2002 | 39303 |
| 2003 | 57505 |
| 2004 | 65125 |
| 2005 | 38769 |
| 2006 | 46239 |
| 2007 | 63332 |
| 2008 | 99832 |
| 2009 | 140677 |
| 2010 | 230805 |
| 2011 | 312931.111111111 |
| 2012 | 391098 |
| 2013 | 475133 |
| 2014 | 334318 |
| 2015 | 338916.275429659 |
| 2016 | 297449 |
| 2017 | 335485 |
| 2018 | 360332 |