| 年度 | 实际值 |
|---|---|
| 1992 | 30000 |
| 1993 | |
| 1994 | |
| 1995 | 33000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 46000 |
| 2000 | 52000 |
| 2001 | 57000 |
| 2002 | 62000 |
| 2003 | 66000 |
| 2004 | 8.3 |
| 2005 | 97000 |
| 2006 | 117000 |
| 2007 | 141000 |
| 2008 | 167000 |
| 2009 | 201000 |
| 2010 | 231000 |
| 2011 | 250000 |
| 2012 | 280000 |
| 2013 | 130000 |
| 2014 | 140000 |
| 2015 | 150000 |
| 2016 | 140000 |
| 2017 | 150000 |