| 年度 | 实际值 |
|---|---|
| 1993 | 12446 |
| 1994 | 12487 |
| 1995 | 14513 |
| 1996 | 14893 |
| 1997 | 16381 |
| 1998 | 19049 |
| 1999 | 16742 |
| 2000 | 20075 |
| 2001 | 19725 |
| 2002 | 19054 |
| 2003 | 18674 |
| 2004 | 18525 |
| 2005 | 19047 |
| 2006 | 21058 |
| 2007 | 24633 |
| 2008 | 25125 |
| 2009 | |
| 2010 | 24107 |
| 2011 | 33749 |
| 2012 | 35473 |
| 2013 | 38175 |
| 2014 | 42561 |
| 2015 | 47161 |
| 2016 | 53857 |
| 2017 | |
| 2018 | 59449 |