年度 | 实际值 |
---|---|
1995 | 6.9 |
1996 | 2 |
1997 | 1.84 |
1998 | 1.8 |
1999 | 1.6 |
2000 | 2.6 |
2001 | 3.59 |
2002 | 2.77 |
2003 | 2.4 |
2004 | 2.44 |
2005 | 1.8 |
2006 | 1.78 |
2007 | 1.53 |
2008 | 1.36 |
2009 | |
2010 | 1.09 |
2011 | .91 |
2012 | .84 |
2013 | .84 |
2014 | .82 |
2015 | 1.26 |
2016 | 1.23 |
2017 | 0.91 |
2018 | 0.92 |