| 年度 | 实际值 |
|---|---|
| 1992 | 2312.7 |
| 1993 | 2637.7 |
| 1994 | 3130.36 |
| 1995 | 3578 |
| 1996 | 4137 |
| 1997 | 4366 |
| 1998 | 5114 |
| 1999 | 5778 |
| 2000 | 6379 |
| 2001 | 6996 |
| 2002 | 7838 |
| 2003 | 8413 |
| 2004 | 9267 |
| 2005 | 10694 |
| 2006 | 13117 |
| 2007 | 16764 |
| 2008 | 20454 |
| 2009 | 23958 |
| 2010 | 26422 |
| 2011 | 29996 |
| 2012 | 33385 |
| 2013 | 35605 |
| 2014 | 39331 |
| 2015 | 44532 |
| 2016 | 47294 |
| 2017 | 50230 |
| 2018 | 55846 |