| 年度 | 实际值 |
|---|---|
| 1999 | 15915 |
| 2000 | 24005 |
| 2001 | 29495 |
| 2002 | 26067 |
| 2003 | 25454 |
| 2004 | 31790 |
| 2005 | 43410 |
| 2006 | 50337.804 |
| 2007 | 78509 |
| 2008 | 104006 |
| 2009 | 143937 |
| 2010 | 167730.040380611 |
| 2011 | 195308 |
| 2012 | 217945.709716462 |
| 2013 | 200966 |
| 2014 | 198156.91 |
| 2015 | 203302 |
| 2016 | 231811.71 |
| 2017 | 281285 |