年度 | 实际值 |
---|---|
1992 | 7.8 |
1993 | 7.1 |
1994 | |
1995 | 4.72 |
1996 | 3.57 |
1997 | |
1998 | |
1999 | |
2000 | 2.54 |
2001 | 1.89 |
2002 | 2.03 |
2003 | 2.45 |
2004 | .53 |
2005 | 5.64 |
2006 | 8.15 |
2007 | 11.56 |
2008 | 8.6 |
2009 | |
2010 | 9.18 |
2011 | 2.6 |
2012 | 1 |
2013 | 8.8 |
2014 | 3.3 |
2015 | -.08 |
2016 | 7.57 |
2017 | 4.91 |
2018 | 6.59 |