| 年度 | 实际值 |
|---|---|
| 1992 | 3931 |
| 1993 | |
| 1994 | |
| 1995 | 3221 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7128 |
| 2000 | 8300 |
| 2001 | 9800 |
| 2002 | 10200 |
| 2003 | 11500 |
| 2004 | 12900 |
| 2005 | 16300 |
| 2006 | 21700 |
| 2007 | 31000 |
| 2008 | 42500 |
| 2009 | 51100 |
| 2010 | 67600 |
| 2011 | 84700 |
| 2012 | 97700 |
| 2013 | 105900 |
| 2014 | 114400 |
| 2015 | 126000 |
| 2016 | 140900 |