| 年度 | 实际值 |
|---|---|
| 1992 | 1438 |
| 1993 | |
| 1994 | |
| 1995 | 22915 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 42005 |
| 2000 | 30005 |
| 2001 | 29245 |
| 2002 | 30051 |
| 2003 | 30753 |
| 2004 | 33582 |
| 2005 | 32581 |
| 2006 | |
| 2007 | 44562 |
| 2008 | 59552 |
| 2009 | 65940 |
| 2010 | 84759 |
| 2011 | 129285 |
| 2012 | 129045 |
| 2013 | 175248 |
| 2014 | 196672 |
| 2015 | 192672 |
| 2016 | 219103 |
| 2017 | 237126 |