| 年度 | 实际值 |
|---|---|
| 1992 | 6404 |
| 1993 | |
| 1994 | 9073 |
| 1995 | 5781 |
| 1996 | 7559 |
| 1997 | |
| 1998 | |
| 1999 | 15488 |
| 2000 | 17273 |
| 2001 | 19516 |
| 2002 | 19220 |
| 2003 | 16671 |
| 2004 | 17087 |
| 2005 | 19610 |
| 2006 | 22800 |
| 2007 | 28531 |
| 2008 | 34243 |
| 2009 | 41742 |
| 2010 | 50820 |
| 2011 | 70610 |
| 2012 | 95100 |
| 2013 | 120000 |
| 2014 | 141700 |
| 2015 | 158200 |
| 2016 | 165592 |