年度 | 实际值 |
---|---|
1995 | 1.4 |
1996 | 1.2 |
1997 | 4.62 |
1998 | 1.4 |
1999 | 1.1 |
2000 | 1 |
2001 | .91 |
2002 | .95 |
2003 | 1.02 |
2004 | 1.18 |
2005 | .99 |
2006 | .94 |
2007 | .96 |
2008 | .96 |
2009 | |
2010 | .5 |
2011 | .47 |
2012 | .46 |
2013 | .44 |
2014 | .43 |
2015 | .46 |
2016 | 8.36 |
2017 | 7.59 |
2018 | 7.24 |