年度 | 实际值 |
---|---|
1992 | 49 |
1993 | |
1994 | |
1995 | 48.8 |
1996 | |
1997 | |
1998 | |
1999 | 48.6 |
2000 | 48.5 |
2001 | 48.4 |
2002 | 45 |
2003 | 44.7 |
2004 | 44.6 |
2005 | 44.5 |
2006 | 44.5 |
2007 | 44.55 |
2008 | 44.8 |
2009 | 45 |
2010 | 45 |
2011 | 45 |
2012 | 45 |
2013 | 44.9 |
2014 | 44.9 |
2015 | 44.87 |
2016 | 44.9075 |
2017 | 40.4 |
2018 | 40.2643 |