年度 | 实际值 |
---|---|
1992 | 5.3 |
1993 | 6.7 |
1994 | |
1995 | 9.01 |
1996 | 7.54 |
1997 | |
1998 | |
1999 | |
2000 | 8.1 |
2001 | 6.18 |
2002 | 5.52 |
2003 | 5.05 |
2004 | 4.89 |
2005 | 4.91 |
2006 | 5.26 |
2007 | 5.49 |
2008 | 5.64 |
2009 | 5.81 |
2010 | 5.21 |
2011 | 5.23 |
2012 | 5.22 |
2013 | 5.24 |
2014 | 5.26 |
2015 | 5.33 |
2016 | 6.57 |
2017 | 7.08 |
2018 | 4.77 |