| 年度 | 实际值 |
|---|---|
| 1992 | 8392 |
| 1993 | |
| 1994 | |
| 1995 | 7099 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 17682 |
| 2000 | 21800 |
| 2001 | 31600 |
| 2002 | 42800 |
| 2003 | 59000 |
| 2004 | 72300 |
| 2005 | 95700 |
| 2006 | 139100 |
| 2007 | 164800 |
| 2008 | 202200 |
| 2009 | 227000 |
| 2010 | 287500 |
| 2011 | 353000 |
| 2012 | 388600 |
| 2013 | 473300 |
| 2014 | 514100 |
| 2015 | 590200 |
| 2016 | 574600 |