| 年度 | 实际值 |
|---|---|
| 1993 | 39000 |
| 1994 | 114800 |
| 1995 | 114900 |
| 1996 | 120000 |
| 1997 | 119000 |
| 1998 | 116600 |
| 1999 | 110000 |
| 2000 | 105463 |
| 2001 | 99049 |
| 2002 | 94415 |
| 2003 | 67843 |
| 2004 | 80780 |
| 2005 | 73667 |
| 2006 | 67506 |
| 2007 | 63265 |
| 2008 | 60063 |
| 2009 | 57541 |
| 2010 | 57251 |
| 2011 | 57784 |
| 2012 | 57108 |
| 2013 | 54953 |
| 2014 | 51966 |
| 2015 | 51185 |