| 年度 | 实际值 |
|---|---|
| 1992 | 4162 |
| 1993 | |
| 1994 | |
| 1995 | 5108 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13700 |
| 2000 | 13073 |
| 2001 | 15649 |
| 2002 | 17521 |
| 2003 | 21466 |
| 2004 | 25979 |
| 2005 | 33362 |
| 2006 | 36995 |
| 2007 | 51045 |
| 2008 | 68577 |
| 2009 | 85596 |
| 2010 | 100485 |
| 2011 | 136489 |
| 2012 | 159605 |
| 2013 | 184429 |
| 2014 | 193834 |
| 2015 | 227702 |
| 2016 | 249616 |