| 年度 | 实际值 |
|---|---|
| 1992 | 38000 |
| 1993 | |
| 1994 | |
| 1995 | 42000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 56000 |
| 2000 | 57000 |
| 2001 | 73000 |
| 2002 | 78000 |
| 2003 | 85000 |
| 2004 | 10.7 |
| 2005 | 133000 |
| 2006 | 161000 |
| 2007 | 185000 |
| 2008 | 219000 |
| 2009 | 262000 |
| 2010 | 302000 |
| 2011 | 330000 |
| 2012 | 370000 |
| 2013 | 160000 |
| 2014 | 170000 |
| 2015 | 170000 |
| 2016 | 170000 |
| 2017 | 180000 |