| 年度 | 实际值 |
|---|---|
| 1992 | 23000 |
| 1993 | |
| 1994 | |
| 1995 | 28000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 33000 |
| 2000 | 32000 |
| 2001 | 43000 |
| 2002 | 47000 |
| 2003 | 54000 |
| 2004 | 66000 |
| 2005 | 117000 |
| 2006 | 143000 |
| 2007 | 162000 |
| 2008 | 192000 |
| 2009 | 217000 |
| 2010 | 243000 |
| 2011 | 270000 |
| 2012 | 300000 |
| 2013 | 110000 |
| 2014 | 120000 |
| 2015 | 130000 |
| 2016 | 140000 |
| 2017 | 140000 |