| 年度 | 实际值 |
|---|---|
| 1993 | 5233 |
| 1994 | 5819 |
| 1995 | 5792 |
| 1996 | 5560 |
| 1997 | 5807 |
| 1998 | 5241 |
| 1999 | 4901 |
| 2000 | 5610 |
| 2001 | 5739 |
| 2002 | 5992 |
| 2003 | 4802 |
| 2004 | 6350 |
| 2005 | 6335 |
| 2006 | 7053 |
| 2007 | 7130 |
| 2008 | 5368 |
| 2009 | |
| 2010 | 9654 |
| 2011 | 13579 |
| 2012 | 10228 |
| 2013 | 11195 |
| 2014 | 11247 |
| 2015 | 11424 |
| 2016 | 12422 |
| 2017 | 13263 |
| 2018 | 13807 |