| 年度 | 实际值 |
|---|---|
| 1992 | 58000 |
| 1993 | |
| 1994 | |
| 1995 | 80000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 103000 |
| 2000 | 116900 |
| 2001 | 118500 |
| 2002 | 121600 |
| 2003 | 124800 |
| 2004 | 122800 |
| 2005 | 132000 |
| 2006 | 142000 |
| 2007 | 148000 |
| 2008 | 90200 |
| 2009 | 90000 |
| 2010 | 100000 |
| 2011 | 120000 |
| 2012 | 142700 |
| 2013 | 152800 |
| 2014 | 155700 |
| 2015 | 170000 |
| 2016 | 160000 |
| 2017 | 170000 |