| 年度 | 实际值 |
|---|---|
| 1992 | 48592 |
| 1993 | |
| 1994 | |
| 1995 | 56258 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 60794 |
| 2000 | 60510 |
| 2001 | 56549 |
| 2002 | 55584 |
| 2003 | 52012 |
| 2004 | 54153 |
| 2005 | 55020 |
| 2006 | 59950 |
| 2007 | 62755 |
| 2008 | 62782 |
| 2009 | 65199 |
| 2010 | 67336 |
| 2011 | 69906 |
| 2012 | 72367 |
| 2013 | 74172 |
| 2014 | 74759 |
| 2015 | 75613.33 |
| 2016 | 75676 |