年度 | 实际值 |
---|---|
1992 | 74.7 |
1993 | 75.42 |
1994 | 76.17 |
1995 | 76.9 |
1996 | |
1997 | |
1998 | |
1999 | 79.9 |
2000 | 80 |
2001 | 81 |
2002 | 80.5 |
2003 | 81 |
2004 | 81 |
2005 | 81 |
2006 | 81 |
2007 | 81 |
2008 | 82 |
2009 | 82 |
2010 | 82 |
2011 | 83 |
2012 | 82 |
2013 | 82 |
2014 | 81 |
2015 | 79 |
2016 | 79 |
2017 | 77 |