| 年度 | 实际值 |
|---|---|
| 1993 | 3277 |
| 1994 | 3311 |
| 1995 | 3669 |
| 1996 | 3261 |
| 1997 | 3624 |
| 1998 | 3777 |
| 1999 | 3726 |
| 2000 | 2947 |
| 2001 | 3517 |
| 2002 | 2403 |
| 2003 | 3164 |
| 2004 | 3518 |
| 2005 | 3121 |
| 2006 | 2978 |
| 2007 | 4022 |
| 2008 | 5599 |
| 2009 | |
| 2010 | 4606 |
| 2011 | 5510 |
| 2012 | 5902 |
| 2013 | 6080 |
| 2014 | 6132 |
| 2015 | 6218 |
| 2016 | 6134 |
| 2017 | 6546 |
| 2018 | 6962 |