| 年度 | 实际值 |
|---|---|
| 1992 | 48681 |
| 1993 | |
| 1994 | |
| 1995 | 46650 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 49417 |
| 2000 | 8515 |
| 2001 | 28897 |
| 2002 | 28897 |
| 2003 | 56802 |
| 2004 | 56175 |
| 2005 | 34324 |
| 2006 | 42012 |
| 2007 | 42936 |
| 2008 | 50066 |
| 2009 | 52794 |
| 2010 | 51102 |
| 2011 | 53568.9 |
| 2012 | 55444 |
| 2013 | 57977 |
| 2014 | 90695 |
| 2015 | 56652.3 |
| 2016 | 77685 |