| 年度 | 实际值 |
|---|---|
| 1992 | 40314 |
| 1993 | |
| 1994 | |
| 1995 | 47156 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 43036 |
| 2000 | 25672 |
| 2001 | 45245 |
| 2002 | 45281 |
| 2003 | 40267 |
| 2004 | 45680 |
| 2005 | 43218 |
| 2006 | 41890 |
| 2007 | 39134 |
| 2008 | 42794 |
| 2009 | 30125.8 |
| 2010 | 57639 |
| 2011 | 54726 |
| 2012 | 55629.8 |
| 2013 | 55867 |
| 2014 | 51760 |
| 2015 | 50617 |
| 2016 | 53642 |