| 年度 | 实际值 |
|---|---|
| 1992 | 7735 |
| 1993 | |
| 1994 | |
| 1995 | 10371 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13607 |
| 2000 | 13898 |
| 2001 | 15786 |
| 2002 | 23648 |
| 2003 | 16825 |
| 2004 | 18424 |
| 2005 | 18496 |
| 2006 | 20295 |
| 2007 | 22646 |
| 2008 | 27752 |
| 2009 | 35551 |
| 2010 | 49777 |
| 2011 | 65071 |
| 2012 | 90351 |
| 2013 | 95973 |
| 2014 | 156000 |
| 2015 | 172380 |
| 2016 | 122889 |