| 年度 | 实际值 |
|---|---|
| 1992 | 15519 |
| 1993 | 19312 |
| 1994 | 11684 |
| 1995 | 31732 |
| 1996 | 20645 |
| 1997 | 25688 |
| 1998 | 32152 |
| 1999 | 36988 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 35242 |
| 2004 | 42052 |
| 2005 | 49257 |
| 2006 | 64647 |
| 2007 | 85088 |
| 2008 | 107000 |
| 2009 | |
| 2010 | 156633 |
| 2011 | 263143 |
| 2012 | 330161 |
| 2013 | 384309 |
| 2014 | 427412 |
| 2015 | 471713 |
| 2016 | 529051 |
| 2017 | 583318 |
| 2018 | 579275 |