年度 | 实际值 |
---|---|
1992 | 6.7 |
1993 | 5.2 |
1994 | |
1995 | 4.08 |
1996 | 3.16 |
1997 | 3.93 |
1998 | 5.53 |
1999 | 4.56 |
2000 | 3.86 |
2001 | 4.54 |
2002 | 4.31 |
2003 | 2.19 |
2004 | 4.98 |
2005 | 4.28 |
2006 | 6.11 |
2007 | 6.33 |
2008 | 6.13 |
2009 | |
2010 | 5.16 |
2011 | 6.1 |
2012 | 5.8 |
2013 | 5.7 |
2014 | 4 |
2015 | 4.68 |
2016 | 8.94 |
2017 | 1.56 |
2018 | 5.5 |