年度 | 实际值 |
---|---|
1990 | .17 |
1991 | .16 |
1992 | .15 |
1993 | .9 |
1994 | .9 |
1995 | 1.12 |
1996 | 1.24 |
1997 | 1.49 |
1998 | 1.54 |
1999 | 2.59 |
2000 | 3.44 |
2001 | 3.47 |
2002 | 3.86 |
2003 | 5.68 |
2004 | 6.3 |
2005 | 6.78 |
2006 | 6.81 |
2007 | 6.98 |
2008 | 7.66 |
2009 | 9.03 |
2010 | 7.14 |
2011 | 7.86 |
2012 | 8.46 |
2013 | 8 |
2014 | 8.08 |
2015 | 7.7 |