| 年度 | 实际值 |
|---|---|
| 1993 | 5014 |
| 1994 | 5109 |
| 1995 | 5341 |
| 1996 | 5318 |
| 1997 | 5548 |
| 1998 | 5638 |
| 1999 | 5692 |
| 2000 | 4582 |
| 2001 | 3966 |
| 2002 | 3823 |
| 2003 | 5193 |
| 2004 | 5143 |
| 2005 | 5437 |
| 2006 | 5506 |
| 2007 | 5617 |
| 2008 | 5044 |
| 2009 | 5079 |
| 2010 | 5476 |
| 2011 | 5684 |
| 2012 | 6881 |
| 2013 | 7204 |
| 2014 | 7516 |
| 2015 | 7658 |
| 2016 | 7884 |
| 2017 | 8100 |
| 2018 | 8200 |