| 年度 | 实际值 |
|---|---|
| 1999 | 2610.4 |
| 2000 | 2732 |
| 2001 | 2925 |
| 2002 | 3071 |
| 2003 | 3745 |
| 2004 | 4295 |
| 2005 | 4964 |
| 2006 | 5952 |
| 2007 | 7628.28687441572 |
| 2008 | 9102.13826032801 |
| 2009 | 10112.0091709001 |
| 2010 | 14385 |
| 2011 | 17603.9729836826 |
| 2012 | 20508.6361478444 |
| 2013 | 22520 |
| 2014 | 25004 |
| 2015 | 27382.3238484353 |