年度 | 实际值 |
---|---|
1992 | 48.5 |
1993 | |
1994 | |
1995 | 49.4 |
1996 | |
1997 | |
1998 | |
1999 | 50.7 |
2000 | 50.95 |
2001 | 51.19 |
2002 | 51.51 |
2003 | 51.81 |
2004 | 52.13 |
2005 | 52.5672437446093 |
2006 | 52.67 |
2007 | 52.94 |
2008 | 53.06 |
2009 | 53.52 |
2010 | 52 |
2011 | 53 |
2012 | 53 |
2013 | 53 |
2014 | 52 |
2015 | 53 |
2016 | 53 |
2017 | 53 |