| 年度 | 实际值 |
|---|---|
| 1992 | 21462 |
| 1993 | |
| 1994 | |
| 1995 | 26074 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 58045 |
| 2000 | 54549 |
| 2001 | 55154 |
| 2002 | 58529 |
| 2003 | 68083 |
| 2004 | 65977 |
| 2005 | 67366 |
| 2006 | 82613 |
| 2007 | 85888 |
| 2008 | 76069 |
| 2009 | 109500 |
| 2010 | 149800 |
| 2011 | 149800 |
| 2012 | 242100 |
| 2013 | 284098 |
| 2014 | 358743 |
| 2015 | 480275 |
| 2016 | 504715 |
| 2017 | 610744 |