| 年度 | 实际值 |
|---|---|
| 1992 | 8700 |
| 1993 | |
| 1994 | |
| 1995 | 9133 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 24539 |
| 2000 | 13850 |
| 2001 | 14840 |
| 2002 | 15036 |
| 2003 | 19003 |
| 2004 | 26504 |
| 2005 | 41866 |
| 2006 | 105428 |
| 2007 | 158866 |
| 2008 | 228746 |
| 2009 | 240877 |
| 2010 | 345336 |
| 2011 | 422286 |
| 2012 | 460663 |
| 2013 | 464389 |
| 2014 | 487337 |
| 2015 | 539890 |
| 2016 | 526898 |