| 年度 | 实际值 |
|---|---|
| 1992 | 5077 |
| 1993 | |
| 1994 | |
| 1995 | 7661 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 25430 |
| 2000 | 25080 |
| 2001 | 27873 |
| 2002 | 29500 |
| 2003 | 35052 |
| 2004 | 33211 |
| 2005 | 37854 |
| 2006 | 57297 |
| 2007 | 69131 |
| 2008 | 96067 |
| 2009 | 151182 |
| 2010 | 176819 |
| 2011 | 214579 |
| 2012 | 256003 |
| 2013 | 336841 |
| 2014 | 350158 |
| 2015 | 427466 |
| 2016 | 473827 |