| 年度 | 实际值 |
|---|---|
| 1992 | 42264 |
| 1993 | |
| 1994 | |
| 1995 | 46948 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 51309 |
| 2000 | 51310 |
| 2001 | 49935 |
| 2002 | 49722 |
| 2003 | 50036 |
| 2004 | 50412 |
| 2005 | 50523 |
| 2006 | 50437 |
| 2007 | 49599 |
| 2008 | 50182 |
| 2009 | 52464 |
| 2010 | 49848 |
| 2011 | 53753 |
| 2012 | 55563 |
| 2013 | 58807 |
| 2014 | 58176 |
| 2015 | 58777 |
| 2016 | 57210 |