| 年度 | 实际值 |
|---|---|
| 1999 | 5785 |
| 2000 | 6582 |
| 2001 | 6519 |
| 2002 | 5283 |
| 2003 | 8191 |
| 2004 | 12259 |
| 2005 | 17278 |
| 2006 | 24518 |
| 2007 | 26498 |
| 2008 | 37744 |
| 2009 | 43812.3371850115 |
| 2010 | 53796.9820079194 |
| 2011 | 67882 |
| 2012 | 43287.2965542594 |
| 2013 | 53347 |
| 2014 | 39902.05 |
| 2015 | 38552.8236808193 |
| 2016 | 40892.21 |
| 2017 | 46052 |