年度 | 实际值 |
---|---|
1992 | 48.6 |
1993 | |
1994 | |
1995 | 49.4 |
1996 | |
1997 | |
1998 | |
1999 | 50.9 |
2000 | 51.1 |
2001 | 51 |
2002 | 51.9 |
2003 | 51.9 |
2004 | 52.2 |
2005 | 52.6 |
2006 | 53 |
2007 | 53.22 |
2008 | 53.5 |
2009 | 53.8 |
2010 | 53.8 |
2011 | 54.2 |
2012 | 54.2 |
2013 | 54.2 |
2014 | 54.2 |
2015 | 54.5 |
2016 | 53.2834 |
2017 | 55 |