年度 | 实际值 |
---|---|
1995 | 3.3 |
1996 | 2.9 |
1997 | 2.55 |
1998 | 2.6 |
1999 | 2.4 |
2000 | 1.8 |
2001 | 1.95 |
2002 | 1.93 |
2003 | 1.78 |
2004 | 1.66 |
2005 | 1.32 |
2006 | 1.01 |
2007 | 1.65 |
2008 | 1.17 |
2009 | |
2010 | 1.03 |
2011 | 1.19 |
2012 | 1.1 |
2013 | 1.05 |
2014 | .96 |
2015 | 1 |
2016 | 0.98 |
2017 | 0.92 |
2018 | 0.8 |