年度 | 实际值 |
---|---|
1995 | 1.2 |
1996 | 1.2 |
1997 | 2.47 |
1998 | 1 |
1999 | 1 |
2000 | .9 |
2001 | 2.56 |
2002 | 2.1 |
2003 | 1.51 |
2004 | 1.39 |
2005 | .98 |
2006 | .9 |
2007 | .85 |
2008 | .85 |
2009 | |
2010 | 1.07 |
2011 | 1.05 |
2012 | 1.06 |
2013 | 1.09 |
2014 | 1 |
2015 | .94 |
2016 | 0.89 |
2017 | 0.81 |
2018 | 0.63 |