年度 | 实际值 |
---|---|
1992 | 53.1 |
1993 | |
1994 | |
1995 | 54 |
1996 | |
1997 | |
1998 | |
1999 | 54 |
2000 | 53.7 |
2001 | |
2002 | |
2003 | |
2004 | |
2005 | 55.9 |
2006 | 56.2 |
2007 | 56.7 |
2008 | 57.4 |
2009 | 57.792 |
2010 | 58.1684 |
2011 | 58.7605 |
2012 | 59.412 |
2013 | 60.0734 |
2014 | 60.945 |
2015 | 61.4872 |