| 年度 | 实际值 |
|---|---|
| 1993 | 6444 |
| 1994 | 6649 |
| 1995 | 6874 |
| 1996 | 6173 |
| 1997 | 5749 |
| 1998 | 6107 |
| 1999 | 5026 |
| 2000 | 6180 |
| 2001 | 6333 |
| 2002 | 5111 |
| 2003 | 5081 |
| 2004 | 5348 |
| 2005 | 5253 |
| 2006 | 5003 |
| 2007 | 6197 |
| 2008 | 6296 |
| 2009 | |
| 2010 | 6531 |
| 2011 | 6260 |
| 2012 | 6663 |
| 2013 | 7129 |
| 2014 | 7352 |
| 2015 | 7463 |
| 2016 | 7786 |
| 2017 | 9401 |
| 2018 | 10301 |