年度 | 实际值 |
---|---|
1995 | 1.5 |
1996 | 1.6 |
1997 | 2.34 |
1998 | 1.7 |
1999 | 1.4 |
2000 | 1.4 |
2001 | 1.25 |
2002 | 1.13 |
2003 | .92 |
2004 | 1.37 |
2005 | .62 |
2006 | .57 |
2007 | .45 |
2008 | .53 |
2009 | |
2010 | .57 |
2011 | .5 |
2012 | 1.3 |
2013 | 1.51 |
2014 | 1.01 |
2015 | 1.39 |
2016 | 1.4 |
2017 | 1.2 |
2018 | 1.05 |