| 年度 | 实际值 |
|---|---|
| 1992 | 9753 |
| 1993 | |
| 1994 | |
| 1995 | 7301 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 10936 |
| 2000 | 15200 |
| 2001 | 33200 |
| 2002 | 36100 |
| 2003 | 51100 |
| 2004 | 64500 |
| 2005 | 76000 |
| 2006 | 93000 |
| 2007 | 111500 |
| 2008 | 134700 |
| 2009 | 148200 |
| 2010 | 186000 |
| 2011 | 234000 |
| 2012 | 271900 |
| 2013 | 309700 |
| 2014 | 337100 |
| 2015 | 373600 |
| 2016 | 420300 |