年度 | 实际值 |
---|---|
1992 | 8.4 |
1993 | 3.4 |
1994 | |
1995 | 3.07 |
1996 | 2.96 |
1997 | 3.35 |
1998 | 6.17 |
1999 | 3.38 |
2000 | 4.34 |
2001 | 4.28 |
2002 | 4.22 |
2003 | 3.73 |
2004 | 4.35 |
2005 | 4.86 |
2006 | 4.75 |
2007 | 4.36 |
2008 | 3.77 |
2009 | |
2010 | 3.11 |
2011 | 2.8 |
2012 | 5.8 |
2013 | -.7 |
2014 | 7 |
2015 | 6.57 |
2016 | 5.17 |
2017 | -3.71 |
2018 | 4.61 |