年度 | 实际值 |
---|---|
1992 | 53.2 |
1993 | |
1994 | |
1995 | 54 |
1996 | |
1997 | |
1998 | |
1999 | 54.6 |
2000 | 54.7 |
2001 | 54.8 |
2002 | 55 |
2003 | 55 |
2004 | 56 |
2005 | 56 |
2006 | 55 |
2007 | 55.2 |
2008 | 55.4 |
2009 | 55.6 |
2010 | 55.1 |
2011 | 55.1 |
2012 | 54.8 |
2013 | 54.3 |
2014 | 54.3 |
2015 | 54.26 |
2016 | 54.1 |
2017 | 53.4 |
2018 | 53.2568 |