年度 | 实际值 |
---|---|
1995 | 6.17 |
1996 | |
1997 | |
1998 | |
1999 | |
2000 | 7.33 |
2001 | 6.36 |
2002 | 7.03 |
2003 | 7.98 |
2004 | 6.75 |
2005 | 6.03 |
2006 | 6.47 |
2007 | 5.05 |
2008 | 6.51 |
2009 | |
2010 | .23 |
2011 | 4.8 |
2012 | 5.1 |
2013 | 10.1 |
2014 | 38.8 |
2015 | 13.64 |
2016 | 12.87 |
2017 | 6.8 |
2018 | 9.81 |