| 年度 | 实际值 |
|---|---|
| 1992 | 3485 |
| 1993 | |
| 1994 | |
| 1995 | 3414 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 6470 |
| 2000 | 10100 |
| 2001 | 15800 |
| 2002 | 16700 |
| 2003 | 21400 |
| 2004 | 21000 |
| 2005 | 27500 |
| 2006 | 34200 |
| 2007 | 45700 |
| 2008 | 61100 |
| 2009 | 66100 |
| 2010 | 80700 |
| 2011 | 96000 |
| 2012 | 106800 |
| 2013 | 118000 |
| 2014 | 127700 |
| 2015 | 145000 |
| 2016 | 155800 |