| 年度 | 实际值 |
|---|---|
| 1992 | 2033 |
| 1993 | |
| 1994 | |
| 1995 | 2664 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 8427 |
| 2000 | 8474 |
| 2001 | 10814 |
| 2002 | 12783 |
| 2003 | 14284 |
| 2004 | 17428 |
| 2005 | 19772 |
| 2006 | 27928 |
| 2007 | 35529 |
| 2008 | 54547 |
| 2009 | 65139 |
| 2010 | 88906 |
| 2011 | 102701 |
| 2012 | 120729 |
| 2013 | 130742 |
| 2014 | 145983 |
| 2015 | 165105 |
| 2016 | 184157 |