年度 | 实际值 |
---|---|
1992 | 32.8 |
1993 | |
1994 | |
1995 | 33.6 |
1996 | |
1997 | |
1998 | |
1999 | 34.6 |
2000 | 34.97 |
2001 | 35.11 |
2002 | 34.58 |
2003 | 34.82 |
2004 | 35.14 |
2005 | 35.34 |
2006 | 35.5 |
2007 | 35.66 |
2008 | 35.85 |
2009 | 36.06 |
2010 | 39 |
2011 | 39 |
2012 | 39 |
2013 | 39 |
2014 | 40 |
2015 | 40 |
2016 | 41 |
2017 | 42 |