年度 | 实际值 |
---|---|
1992 | 7.5 |
1993 | 5.7 |
1994 | |
1995 | 11.62 |
1996 | 6.89 |
1997 | 5.89 |
1998 | 5.64 |
1999 | 3.82 |
2000 | 5.97 |
2001 | 2.94 |
2002 | 3.02 |
2003 | 1.01 |
2004 | 1.95 |
2005 | 1.69 |
2006 | 1.1 |
2007 | 1.45 |
2008 | .57 |
2009 | |
2010 | .46 |
2011 | 1.5 |
2012 | 2.2 |
2013 | 2.2 |
2014 | 3.5 |
2015 | 2.61 |
2016 | 3.36 |
2017 | 2.55 |
2018 | 1.96 |