| 年度 | 实际值 |
|---|---|
| 1999 | 3078.8 |
| 2000 | 3298 |
| 2001 | 3458 |
| 2002 | 3725 |
| 2003 | 5260 |
| 2004 | 6138 |
| 2005 | 6501 |
| 2006 | 7502 |
| 2007 | 8852.67501782692 |
| 2008 | 10472.9643910184 |
| 2009 | 11278.3926462109 |
| 2010 | 17422 |
| 2011 | 18880.3531546622 |
| 2012 | 19689.9523490567 |
| 2013 | 20641 |
| 2014 | 22145 |
| 2015 | 23704.2934760409 |