年度 | 实际值 |
---|---|
1992 | 1.3 |
1993 | .7 |
1994 | |
1995 | 2.18 |
1996 | 3.36 |
1997 | 5.37 |
1998 | 5.96 |
1999 | 6.02 |
2000 | 5.54 |
2001 | 4.73 |
2002 | 6.54 |
2003 | 4.79 |
2004 | 7.43 |
2005 | 3.87 |
2006 | 3.18 |
2007 | 2.06 |
2008 | 2.85 |
2009 | |
2010 | 1.37 |
2011 | 4.3 |
2012 | |
2013 | 5.6 |
2014 | 7.7 |
2015 | 6.59 |
2016 | 7.65 |
2017 | 2.15 |
2018 | 5.12 |