年度 | 实际值 |
---|---|
1992 | 61.4 |
1993 | |
1994 | |
1995 | 64.2 |
1996 | |
1997 | |
1998 | |
1999 | 66.8 |
2000 | 67.4 |
2001 | 68 |
2002 | 68.1 |
2003 | 68 |
2004 | 68 |
2005 | 68 |
2006 | 73 |
2007 | 69 |
2008 | 68 |
2009 | 68 |
2010 | 78 |
2011 | 80 |
2012 | 79 |
2013 | 82 |
2014 | 82 |
2015 | 84 |
2016 | 55 |
2017 | 55 |