年度 | 实际值 |
---|---|
1995 | 1.7 |
1996 | 3.8 |
1997 | 2.99 |
1998 | 3.1 |
1999 | 3.1 |
2000 | 2.8 |
2001 | 2.84 |
2002 | 2.34 |
2003 | 1.91 |
2004 | 1.94 |
2005 | 1.22 |
2006 | 1.25 |
2007 | 1.22 |
2008 | 1.13 |
2009 | |
2010 | .89 |
2011 | 1.06 |
2012 | .97 |
2013 | 1.02 |
2014 | .97 |
2015 | .94 |
2016 | 0.85 |
2017 | 1.13 |
2018 | 1.09 |