年度 | 实际值 |
---|---|
1992 | 32.5 |
1993 | |
1994 | |
1995 | 33.3 |
1996 | |
1997 | |
1998 | |
1999 | 33.8 |
2000 | 34.2 |
2001 | 34 |
2002 | 34.5 |
2003 | 35 |
2004 | 35 |
2005 | 35.7 |
2006 | 36.1 |
2007 | 36.5492 |
2008 | 36.98 |
2009 | 37.5 |
2010 | 37.5113 |
2011 | 37.94 |
2012 | 38.3453 |
2013 | 38.8 |
2014 | 39.34 |
2015 | 39.75 |
2016 | 40.1292 |
2017 | 40 |