年度 | 实际值 |
---|---|
1992 | 5 |
1993 | 6.1 |
1994 | |
1995 | 6.08 |
1996 | 5.75 |
1997 | 6.47 |
1998 | 4.96 |
1999 | 7.42 |
2000 | 7.73 |
2001 | 6.76 |
2002 | 6.8 |
2003 | 6.93 |
2004 | 2.37 |
2005 | 6.79 |
2006 | 7.12 |
2007 | 3.71 |
2008 | 6.99 |
2009 | |
2010 | 5.96 |
2011 | 5.1 |
2012 | 1.7 |
2013 | 4.6 |
2014 | 5.1 |
2015 | 7.53 |
2016 | 5.94 |
2017 | 2.02 |
2018 | 7.63 |