| 年度 | 实际值 |
|---|---|
| 1993 | 48197 |
| 1994 | 46151 |
| 1995 | 44507 |
| 1996 | 43370 |
| 1997 | 43813 |
| 1998 | 44217 |
| 1999 | 44392 |
| 2000 | 44820 |
| 2001 | 35618 |
| 2002 | 36963 |
| 2003 | 35563 |
| 2004 | 35066 |
| 2005 | 42510 |
| 2006 | 44127 |
| 2007 | 47473 |
| 2008 | 40331 |
| 2009 | |
| 2010 | 41204 |
| 2011 | 41883 |
| 2012 | 45931 |
| 2013 | 45060 |
| 2014 | 47799 |
| 2015 | 49427 |
| 2016 | 65386 |
| 2017 | 67907 |
| 2018 | 74948 |