年度 | 实际值 |
---|---|
1992 | 5.1 |
1993 | 4.6 |
1994 | |
1995 | 7.17 |
1996 | 6.44 |
1997 | 6.47 |
1998 | 5.83 |
1999 | 4.65 |
2000 | 3.9 |
2001 | 4.76 |
2002 | 4.4 |
2003 | 2.59 |
2004 | 4.39 |
2005 | 3.83 |
2006 | 3.01 |
2007 | 3.54 |
2008 | 2.46 |
2009 | |
2010 | .81 |
2011 | 2.6 |
2012 | |
2013 | 3.5 |
2014 | 6.9 |
2015 | 3.85 |
2016 | 6.69 |
2017 | 0.61 |
2018 | 4.89 |