年度 | 实际值 |
---|---|
1992 | 5.5 |
1993 | 5 |
1994 | |
1995 | 3.08 |
1996 | 2.44 |
1997 | 3 |
1998 | 6.08 |
1999 | 2.17 |
2000 | 2.87 |
2001 | 2.86 |
2002 | 2.14 |
2003 | 2.15 |
2004 | |
2005 | 2.83 |
2006 | 3.61 |
2007 | 3.65 |
2008 | 2.45 |
2009 | |
2010 | 1.59 |
2011 | 2.1 |
2012 | 5.1 |
2013 | 6.3 |
2014 | 7.2 |
2015 | 6.95 |
2016 | 6.02 |
2017 | 3.91 |
2018 | 8.09 |