年度 | 实际值 |
---|---|
1992 | 6.3 |
1993 | 6.2 |
1994 | |
1995 | 6.22 |
1996 | 5.53 |
1997 | 4.45 |
1998 | 4.45 |
1999 | 4 |
2000 | 7.21 |
2001 | 2.14 |
2002 | 3.73 |
2003 | 1.36 |
2004 | 2.82 |
2005 | 3.34 |
2006 | 3.28 |
2007 | 4.01 |
2008 | 3.71 |
2009 | |
2010 | 3.83 |
2011 | 4.7 |
2012 | 5.7 |
2013 | 4.5 |
2014 | 7.7 |
2015 | 4.08 |
2016 | 7.2 |
2017 | 0.3 |
2018 | 5.29 |