年度 | 实际值 |
---|---|
1992 | 72.5 |
1993 | |
1994 | |
1995 | 73.7 |
1996 | |
1997 | |
1998 | |
1999 | 75 |
2000 | 75.8 |
2001 | 76 |
2002 | 76.5 |
2003 | 77 |
2004 | 77 |
2005 | 77 |
2006 | 78 |
2007 | 79 |
2008 | 80 |
2009 | 80 |
2010 | 81 |
2011 | 82 |
2012 | 83 |
2013 | 85 |
2014 | 87 |
2015 | 88.2 |
2016 | 89.1 |
2017 | 89.5 |
2018 | 90.2506 |