| 年度 | 实际值 |
|---|---|
| 1992 | 15873 |
| 1993 | |
| 1994 | |
| 1995 | 24376 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 33466 |
| 2000 | 34347 |
| 2001 | 36874 |
| 2002 | 31358 |
| 2003 | 43269 |
| 2004 | 33726 |
| 2005 | 29157 |
| 2006 | 17979 |
| 2007 | 21976 |
| 2008 | 27030 |
| 2009 | 51250 |
| 2010 | 65412 |
| 2011 | 88110 |
| 2012 | 93818 |
| 2013 | 112241 |
| 2014 | 168200 |
| 2015 | 173853 |
| 2016 | 171585 |
| 2017 | 186828 |