年度 | 实际值 |
---|---|
1992 | 6.1 |
1993 | 6.5 |
1994 | |
1995 | 5.18 |
1996 | 4.56 |
1997 | 5.37 |
1998 | 3.85 |
1999 | 6.33 |
2000 | 7.62 |
2001 | 7.09 |
2002 | 6.41 |
2003 | 5.61 |
2004 | 6.81 |
2005 | 6.97 |
2006 | 7.51 |
2007 | 8.75 |
2008 | 8.74 |
2009 | |
2010 | 8.19 |
2011 | 5.7 |
2012 | 3.4 |
2013 | 7.9 |
2014 | 13.9 |
2015 | 8.13 |
2016 | 13.57 |
2017 | 16.15 |
2018 | 11.7 |