年度 | 实际值 |
---|---|
1993 | 29 |
1994 | 31 |
1995 | 31 |
1996 | 31 |
1997 | 31 |
1998 | |
1999 | 36 |
2000 | 36 |
2001 | 41 |
2002 | 41 |
2003 | 41 |
2004 | 41 |
2005 | 41 |
2006 | 41 |
2007 | 44 |
2008 | 44 |
2009 | |
2010 | 44 |
2011 | 44 |
2012 | 38 |
2013 | 38 |
2014 | 50 |
2015 | 50 |
2016 | 57 |
2017 | 66 |
2018 | 66 |