年度 | 实际值 |
---|---|
1992 | .6 |
1993 | |
1994 | |
1995 | .7 |
1996 | |
1997 | |
1998 | |
1999 | .7 |
2000 | .7 |
2001 | 1 |
2002 | .6836 |
2003 | .6833 |
2004 | .658 |
2005 | .6551 |
2006 | .7522 |
2007 | .7539 |
2008 | .7467 |
2009 | .786 |
2010 | .799 |
2011 | 2 |
2012 | 2 |
2013 | |
2014 | 1.26 |
2015 | 1.6504 |