| 年度 | 实际值 |
|---|---|
| 1992 | 1755 |
| 1993 | |
| 1994 | 6250 |
| 1995 | 6333 |
| 1996 | 8651 |
| 1997 | |
| 1998 | |
| 1999 | 11881 |
| 2000 | 10500 |
| 2001 | 11902 |
| 2002 | 12720 |
| 2003 | 12440 |
| 2004 | 15633 |
| 2005 | 18217 |
| 2006 | 24345 |
| 2007 | 42685 |
| 2008 | 76585 |
| 2009 | 122085 |
| 2010 | 207685 |
| 2011 | 280868 |
| 2012 | 353168 |
| 2013 | 249168 |
| 2014 | 218788 |
| 2015 | 74505 |