| 年度 | 实际值 |
|---|---|
| 1992 | 579 |
| 1993 | |
| 1994 | |
| 1995 | 719 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 1556 |
| 2000 | 1664 |
| 2001 | 1163 |
| 2002 | 3405 |
| 2003 | 3960 |
| 2004 | 4795 |
| 2005 | 5389 |
| 2006 | 5286 |
| 2007 | 15563 |
| 2008 | 27664 |
| 2009 | 58593 |
| 2010 | 82672 |
| 2011 | 68865 |
| 2012 | 59274 |
| 2013 | 54814 |
| 2014 | 62575 |
| 2015 | 68228 |
| 2016 | 76960 |
| 2017 | 102927 |