| 年度 | 实际值 |
|---|---|
| 1994 | 1951 |
| 1995 | 1942 |
| 1996 | 1673 |
| 1997 | 1690 |
| 1998 | 1795 |
| 1999 | 1810 |
| 2000 | 1589 |
| 2001 | 1720 |
| 2002 | 1839 |
| 2003 | 1610 |
| 2004 | 1424 |
| 2005 | 1501 |
| 2006 | 1647 |
| 2007 | 2095 |
| 2008 | 1942 |
| 2009 | |
| 2010 | 2066 |
| 2011 | 2073 |
| 2012 | 2071 |
| 2013 | 3346 |
| 2014 | 3356 |
| 2015 | 1073 |
| 2016 | 2169 |
| 2017 | 2456 |
| 2018 | 2456 |