年度 | 实际值 |
---|---|
1992 | 36.4 |
1993 | |
1994 | |
1995 | 36.7 |
1996 | |
1997 | |
1998 | |
1999 | 37.3 |
2000 | 38.2 |
2001 | 38 |
2002 | 38.4 |
2003 | 39 |
2004 | 39 |
2005 | 39 |
2006 | 39 |
2007 | 38.48 |
2008 | 38.8126 |
2009 | 38.8673 |
2010 | 38.0753 |
2011 | 38.32 |
2012 | 38.5873 |
2013 | 38.8 |
2014 | 39.09 |
2015 | 39.65 |
2016 | 38 |
2017 | 37 |