年度 | 实际值 |
---|---|
1992 | 5.7 |
1993 | 6.1 |
1994 | |
1995 | 6.33 |
1996 | 6.31 |
1997 | 8.08 |
1998 | 5.24 |
1999 | 6.07 |
2000 | 5.55 |
2001 | 5.17 |
2002 | 4.57 |
2003 | 4.94 |
2004 | 3.38 |
2005 | 3.94 |
2006 | 3.11 |
2007 | 3.57 |
2008 | 4.23 |
2009 | |
2010 | 3.35 |
2011 | 2.8 |
2012 | 2.8 |
2013 | 4.2 |
2014 | 4.1 |
2015 | 1.62 |
2016 | 4.47 |
2017 | 3.32 |
2018 | 4.91 |