| 年度 | 实际值 |
|---|---|
| 1992 | 65329 |
| 1993 | |
| 1994 | |
| 1995 | 70241 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 69945 |
| 2000 | 64578 |
| 2001 | 57182 |
| 2002 | 51409 |
| 2003 | 50934 |
| 2004 | 53088 |
| 2005 | 53524 |
| 2006 | 50787 |
| 2007 | 47926 |
| 2008 | 46822 |
| 2009 | 48172 |
| 2010 | 48162 |
| 2011 | 45743 |
| 2012 | 45490 |
| 2013 | 44511 |
| 2014 | 44497 |
| 2015 | 44588 |
| 2016 | 43328 |