年度 | 实际值 |
---|---|
1992 | 65.5 |
1993 | |
1994 | |
1995 | 63 |
1996 | |
1997 | |
1998 | |
1999 | 65 |
2000 | 65 |
2001 | 63.3 |
2002 | 63.41 |
2003 | 63.36 |
2004 | 63.44 |
2005 | 57.03 |
2006 | 57.25 |
2007 | 52.37 |
2008 | 52.78 |
2009 | 52.88 |
2010 | 53.02 |
2011 | 53.03 |
2012 | 52.25 |
2013 | 52.26 |
2014 | 52.35 |
2015 | 49.14 |