| 年度 | 实际值 |
|---|---|
| 1992 | 5165 |
| 1993 | 11427 |
| 1994 | 6774 |
| 1995 | 9252 |
| 1996 | 6611 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 9664 |
| 2001 | 14730 |
| 2002 | 44641 |
| 2003 | 133207 |
| 2004 | 111404 |
| 2005 | 52995 |
| 2006 | 26212 |
| 2007 | 32357 |
| 2008 | 144307 |
| 2009 | 185015 |
| 2010 | 255203 |
| 2011 | 320994 |
| 2012 | 357998 |
| 2013 | |
| 2014 | |
| 2015 | 222626 |
| 2016 | 176386 |