年度 | 实际值 |
---|---|
1992 | 9.4 |
1993 | 9.4 |
1994 | |
1995 | 8.59 |
1996 | 8.27 |
1997 | 8.06 |
1998 | 4.08 |
1999 | 6.13 |
2000 | 8.51 |
2001 | 10.6 |
2002 | 7.3 |
2003 | 7.55 |
2004 | 7.75 |
2005 | 7.13 |
2006 | 6.21 |
2007 | 7.56 |
2008 | 6.57 |
2009 | |
2010 | 6.49 |
2011 | 5.5 |
2012 | 5.5 |
2013 | 5.7 |
2014 | 8.2 |
2015 | .11 |
2016 | 7.08 |
2017 | 7.38 |
2018 | 7 |