| 年度 | 实际值 |
|---|---|
| 1992 | 7278 |
| 1993 | 7906 |
| 1994 | 9199 |
| 1995 | 9180 |
| 1996 | 13023 |
| 1997 | 12549 |
| 1998 | 14115 |
| 1999 | 14381 |
| 2000 | 14425 |
| 2001 | 11778 |
| 2002 | 10941 |
| 2003 | 10957 |
| 2004 | 11062 |
| 2005 | 12670 |
| 2006 | 11026.78 |
| 2007 | 10731.7 |
| 2008 | 10489.5 |
| 2009 | |
| 2010 | 11404.07 |
| 2011 | 12631 |
| 2012 | 14026 |
| 2013 | 14789 |
| 2014 | 17937 |