年度 | 实际值 |
---|---|
1992 | 48 |
1993 | |
1994 | |
1995 | 49.9 |
1996 | |
1997 | |
1998 | |
1999 | 52 |
2000 | 52.4 |
2001 | 52.81 |
2002 | 53.49 |
2003 | 53.78 |
2004 | 54.18 |
2005 | 54.55 |
2006 | 54.9 |
2007 | 55.22 |
2008 | 55.59 |
2009 | 55.99 |
2010 | 57 |
2011 | 58 |
2012 | 59 |
2013 | 60 |
2014 | 59 |
2015 | 60 |
2016 | 61 |
2017 | 61 |