| 年度 | 实际值 |
|---|---|
| 1993 | 3498 |
| 1994 | 3167 |
| 1995 | 3189 |
| 1996 | 3996 |
| 1997 | 6083 |
| 1998 | 3327 |
| 1999 | 3369 |
| 2000 | 3568 |
| 2001 | 3575 |
| 2002 | 3673 |
| 2003 | 3868 |
| 2004 | 3800 |
| 2005 | 5467 |
| 2006 | 4991 |
| 2007 | 6447 |
| 2008 | 7405 |
| 2009 | |
| 2010 | 7318 |
| 2011 | 5955 |
| 2012 | 4992 |
| 2013 | 6569 |
| 2014 | 6892 |
| 2015 | 7188 |
| 2016 | 7545 |
| 2017 | 8097 |
| 2018 | 9191 |