| 年度 | 实际值 |
|---|---|
| 1999 | 2461.4 |
| 2000 | 2544 |
| 2001 | 2676 |
| 2002 | 2840 |
| 2003 | 2353 |
| 2004 | 2993 |
| 2005 | 3651 |
| 2006 | 4896.52319739953 |
| 2007 | 5100.15652712292 |
| 2008 | 10231.7118325518 |
| 2009 | 11011.2404187056 |
| 2010 | 15021.7900264522 |
| 2011 | 17804 |
| 2012 | 17037.3678505223 |
| 2013 | 18920 |
| 2014 | 20893 |
| 2015 | 23697.3041090759 |
| 2016 | 26631.5806977502 |