年度 | 实际值 |
---|---|
1992 | 34.8 |
1993 | |
1994 | |
1995 | 33 |
1996 | |
1997 | |
1998 | |
1999 | 33 |
2000 | 32.7 |
2001 | 35.3 |
2002 | 35.29 |
2003 | 35.24 |
2004 | 36.52 |
2005 | 36.35 |
2006 | 36.37 |
2007 | 36.53 |
2008 | 36.62 |
2009 | 36.63 |
2010 | 36.57 |
2011 | 36.61 |
2012 | 36.35 |
2013 | 36.22 |
2014 | 36.24 |
2015 | 35.61 |