| 年度 | 实际值 |
|---|---|
| 1993 | 5490 |
| 1994 | 5821 |
| 1995 | 6120 |
| 1996 | 5265 |
| 1997 | 4772 |
| 1998 | 5223 |
| 1999 | 5413 |
| 2000 | 5793 |
| 2001 | 5740 |
| 2002 | 4993 |
| 2003 | 4675 |
| 2004 | 4848 |
| 2005 | 4744 |
| 2006 | 4252 |
| 2007 | 4607 |
| 2008 | 6100 |
| 2009 | |
| 2010 | 7117 |
| 2011 | 7712 |
| 2012 | 7734 |
| 2013 | 7716 |
| 2014 | 7853 |
| 2015 | 7977 |
| 2016 | 8038 |
| 2017 | 8252 |
| 2018 | 8696 |