| 年度 | 实际值 |
|---|---|
| 1993 | 1712 |
| 1994 | 1855 |
| 1995 | 1800 |
| 1996 | 1806 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 11668 |
| 2001 | 9427 |
| 2002 | 9682 |
| 2003 | 4639 |
| 2004 | 5111 |
| 2005 | 5041 |
| 2006 | 5350 |
| 2007 | 6250 |
| 2008 | 6255 |
| 2009 | |
| 2010 | 6097 |
| 2011 | 6196 |
| 2012 | 7259 |
| 2013 | 11812 |
| 2014 | 13447 |
| 2015 | 13678 |
| 2016 | 5877 |
| 2017 | 5923 |
| 2018 | 6067 |