年度 | 实际值 |
---|---|
1992 | 38.3 |
1993 | |
1994 | |
1995 | 38 |
1996 | |
1997 | |
1998 | |
1999 | 38 |
2000 | 38.1904 |
2001 | 38.0942 |
2002 | 38 |
2003 | 38 |
2004 | 37.9 |
2005 | 38.6 |
2006 | 38.8 |
2007 | 38.9 |
2008 | 39.1 |
2009 | 39.2 |
2010 | 39 |
2011 | 39 |
2012 | 38.7 |
2013 | 38.77 |
2014 | 38.85 |
2015 | 38.75 |
2016 | 39 |
2017 | 38 |