| 年度 | 实际值 |
|---|---|
| 1992 | 6870 |
| 1993 | |
| 1994 | |
| 1995 | 5881 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 10839 |
| 2000 | 15100 |
| 2001 | 24700 |
| 2002 | 26300 |
| 2003 | 36100 |
| 2004 | 42100 |
| 2005 | 50800 |
| 2006 | 57300 |
| 2007 | 66800 |
| 2008 | 82200 |
| 2009 | 95000 |
| 2010 | 130800 |
| 2011 | 171900 |
| 2012 | 195100 |
| 2013 | 221400 |
| 2014 | 239100 |
| 2015 | 269700 |
| 2016 | 261700 |