| 年度 | 实际值 |
|---|---|
| 1993 | 5719 |
| 1994 | 6535 |
| 1995 | 5862 |
| 1996 | 5862 |
| 1997 | 5423 |
| 1998 | 5372 |
| 1999 | 5435 |
| 2000 | 5663 |
| 2001 | 5503 |
| 2002 | 4003 |
| 2003 | 4901 |
| 2004 | 5162 |
| 2005 | 3406 |
| 2006 | 4822 |
| 2007 | 5215 |
| 2008 | 6097 |
| 2009 | |
| 2010 | 6507 |
| 2011 | 5759 |
| 2012 | 5710 |
| 2013 | 5814 |
| 2014 | 6732 |
| 2015 | 6362 |
| 2016 | 10222 |
| 2017 | 10723 |
| 2018 | 12263 |