| 年度 | 实际值 |
|---|---|
| 1992 | 3873 |
| 1993 | |
| 1994 | 10265 |
| 1995 | 5489 |
| 1996 | 14526 |
| 1997 | |
| 1998 | |
| 1999 | 19873 |
| 2000 | 22496 |
| 2001 | 24200 |
| 2002 | 31320 |
| 2003 | 35835 |
| 2004 | 49831 |
| 2005 | 64686 |
| 2006 | 91160 |
| 2007 | 120133 |
| 2008 | 165081 |
| 2009 | 218060 |
| 2010 | 278986 |
| 2011 | 341089 |
| 2012 | 381900 |
| 2013 | 417306 |
| 2014 | 429163 |
| 2015 | 551910 |