| 年度 | 实际值 |
|---|---|
| 1992 | 19000 |
| 1993 | |
| 1994 | |
| 1995 | 20000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 16000 |
| 2000 | 18600 |
| 2001 | 31900 |
| 2002 | 39500 |
| 2003 | 41000 |
| 2004 | 36300 |
| 2005 | 60000 |
| 2006 | 61000 |
| 2007 | 72700 |
| 2008 | 43100 |
| 2009 | 70000 |
| 2010 | 60000 |
| 2011 | 100000 |
| 2012 | 102100 |
| 2013 | 104900 |
| 2014 | 105300 |
| 2015 | 110000 |
| 2016 | 110000 |
| 2017 | 90000 |