年度 | 实际值 |
---|---|
1992 | 33.2 |
1993 | |
1994 | |
1995 | 34.5 |
1996 | |
1997 | |
1998 | |
1999 | 35.5 |
2000 | 35.51 |
2001 | 35.93 |
2002 | 36.21 |
2003 | 36.45 |
2004 | 36.69 |
2005 | 36.9704105410259 |
2006 | 37.16 |
2007 | 37.34 |
2008 | 37.56 |
2009 | 37.88 |
2010 | 39 |
2011 | 39 |
2012 | 40 |
2013 | 39 |
2014 | 39 |
2015 | 40 |
2016 | 40 |
2017 | 38 |