年度 | 实际值 |
---|---|
1992 | 6.7 |
1993 | 4 |
1994 | |
1995 | 3.56 |
1996 | 2.98 |
1997 | |
1998 | |
1999 | |
2000 | |
2001 | |
2002 | 4.28 |
2003 | 7.04 |
2004 | |
2005 | 6.31 |
2006 | 6.59 |
2007 | 8.87 |
2008 | 7.86 |
2009 | |
2010 | 4.24 |
2011 | 6.7 |
2012 | 1.7 |
2013 | 8.5 |
2014 | 16.9 |
2015 | 13.76 |
2016 | 11.46 |
2017 | 5.31 |
2018 | 10.08 |