| 年度 | 实际值 |
|---|---|
| 1993 | 81735 |
| 1994 | 83000 |
| 1995 | 86475 |
| 1996 | 90627 |
| 1997 | 212457 |
| 1998 | 209851 |
| 1999 | 167616 |
| 2000 | 184055 |
| 2001 | 202787 |
| 2002 | 213975 |
| 2003 | 176692 |
| 2004 | 175723 |
| 2005 | 167805 |
| 2006 | 120855 |
| 2007 | 39165 |
| 2008 | 39478 |
| 2009 | 36826 |
| 2010 | 37940 |
| 2011 | 32499 |
| 2012 | 29610 |
| 2013 | 31535 |
| 2014 | 41856 |
| 2015 | 52054 |
| 2016 | 44402 |