| 年度 | 实际值 |
|---|---|
| 1992 | 9141 |
| 1993 | |
| 1994 | |
| 1995 | 18478 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 33019 |
| 2000 | 26427 |
| 2001 | 25265 |
| 2002 | 31294 |
| 2003 | 41879 |
| 2004 | 35517 |
| 2005 | 36672 |
| 2006 | 50777 |
| 2007 | 56622 |
| 2008 | 65753 |
| 2009 | 102300 |
| 2010 | 126131 |
| 2011 | 126131 |
| 2012 | 161600 |
| 2013 | 213446 |
| 2014 | 253725 |
| 2015 | 280707 |
| 2016 | 275037 |
| 2017 | 318778 |