年度 | 实际值 |
---|---|
1992 | 4.5 |
1993 | 3 |
1994 | |
1995 | 5.08 |
1996 | 5.73 |
1997 | 4.91 |
1998 | 6.01 |
1999 | 2.68 |
2000 | 4.97 |
2001 | 6.17 |
2002 | 2.94 |
2003 | 2.34 |
2004 | 5.08 |
2005 | 1.89 |
2006 | 1.31 |
2007 | 2.02 |
2008 | 1.51 |
2009 | |
2010 | 1.48 |
2011 | .5 |
2012 | -2.5 |
2013 | -2.5 |
2014 | |
2015 | -2.34 |
2016 | -1.16 |
2017 | -1.53 |
2018 | -2.85 |