| 年度 | 实际值 |
|---|---|
| 1993 | 3109 |
| 1994 | 3067 |
| 1995 | 3451 |
| 1996 | 3326 |
| 1997 | 3477 |
| 1998 | 7262 |
| 1999 | 7471 |
| 2000 | 7375 |
| 2001 | 7480 |
| 2002 | 6995 |
| 2003 | 6738 |
| 2004 | 5571 |
| 2005 | 5599 |
| 2006 | 5705 |
| 2007 | 7581 |
| 2008 | 7776 |
| 2009 | |
| 2010 | 8391 |
| 2011 | 9059 |
| 2012 | 9337 |
| 2013 | 9949 |
| 2014 | 10154 |
| 2015 | 10857 |
| 2016 | 11407 |
| 2017 | 11614 |
| 2018 | 11997 |