年度 | 实际值 |
---|---|
1992 | 59.8 |
1993 | |
1994 | |
1995 | 60 |
1996 | |
1997 | |
1998 | |
1999 | 57.4 |
2000 | 57.5 |
2001 | 58 |
2002 | 57.7 |
2003 | 57.8 |
2004 | 57.8 |
2005 | 58.7 |
2006 | 58.9 |
2007 | 59.1 |
2008 | 59.2 |
2009 | 59.1 |
2010 | 58.6 |
2011 | 58.5 |
2012 | 53.3 |
2013 | 58.26 |
2014 | 58 |
2015 | 58 |
2016 | 57.9 |
2017 | 56.4 |
2018 | 56.0378 |