| 年度 | 实际值 |
|---|---|
| 1993 | 4677 |
| 1994 | 4944 |
| 1995 | 5025 |
| 1996 | 5143 |
| 1997 | 4607 |
| 1998 | 5119 |
| 1999 | 4675 |
| 2000 | 4634 |
| 2001 | 4774 |
| 2002 | 3663 |
| 2003 | 3532 |
| 2004 | 4096 |
| 2005 | 4303 |
| 2006 | 4324 |
| 2007 | 4333 |
| 2008 | 4570 |
| 2009 | |
| 2010 | 5435 |
| 2011 | 6855 |
| 2012 | 7311 |
| 2013 | 8074 |
| 2014 | 8367 |
| 2015 | 8627 |
| 2016 | 8646 |
| 2017 | 9237 |
| 2018 | 9806 |