年度 | 实际值 |
---|---|
1992 | 7.3 |
1993 | 6 |
1994 | |
1995 | 5.63 |
1996 | 5.57 |
1997 | 5.07 |
1998 | 6.37 |
1999 | 4.06 |
2000 | 6.52 |
2001 | 5.47 |
2002 | 5.91 |
2003 | 6.13 |
2004 | 6.3 |
2005 | 3.9 |
2006 | 7.44 |
2007 | 9.07 |
2008 | 6.67 |
2009 | |
2010 | 5.53 |
2011 | 6.6 |
2012 | 6.9 |
2013 | 6.9 |
2014 | 15.1 |
2015 | 6.99 |
2016 | 7.35 |
2017 | 2.16 |
2018 | 6.41 |