| 年度 | 实际值 |
|---|---|
| 1992 | 3757 |
| 1993 | |
| 1994 | |
| 1995 | 3115 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7579 |
| 2000 | 9300 |
| 2001 | 17800 |
| 2002 | 13800 |
| 2003 | 18300 |
| 2004 | 23100 |
| 2005 | 27700 |
| 2006 | 32900 |
| 2007 | 41300 |
| 2008 | 49200 |
| 2009 | 55900 |
| 2010 | 72000 |
| 2011 | 95200 |
| 2012 | 112100 |
| 2013 | 125500 |
| 2014 | 138600 |
| 2015 | 171400 |
| 2016 | 173600 |