| 年度 | 实际值 |
|---|---|
| 1993 | 1719 |
| 1994 | 1773 |
| 1995 | 1775 |
| 1996 | 1769 |
| 1997 | 1846 |
| 1998 | 1812 |
| 1999 | 1968 |
| 2000 | 1862 |
| 2001 | 1232 |
| 2002 | 1440 |
| 2003 | 1580 |
| 2004 | 1764 |
| 2005 | 1537 |
| 2006 | 1985 |
| 2007 | 1709 |
| 2008 | 2589 |
| 2009 | |
| 2010 | 2016 |
| 2011 | 2246 |
| 2012 | 2294 |
| 2013 | 2374 |
| 2014 | 2418 |
| 2015 | 2404 |
| 2016 | 2454 |
| 2017 | 2757 |
| 2018 | 2914 |