年度 | 实际值 |
---|---|
1992 | 2.8 |
1993 | |
1994 | |
1995 | 2.7 |
1996 | |
1997 | |
1998 | |
1999 | 2.7 |
2000 | 2.7038 |
2001 | 2.688 |
2002 | 2.6805 |
2003 | 2.6724 |
2004 | 2.7342 |
2005 | 2.7197 |
2006 | 2.6726 |
2007 | 2.6423 |
2008 | 2.6408 |
2009 | 2.5623 |
2010 | 2.563 |
2011 | 2.593 |
2012 | 2.6478 |
2013 | 2.6533 |
2014 | 2.6214 |
2015 | 2.5775 |