年度 | 实际值 |
---|---|
1992 | 2 |
1993 | |
1994 | |
1995 | 1.5 |
1996 | |
1997 | |
1998 | |
1999 | 1.6973 |
2000 | 1.8801 |
2001 | 1.7405 |
2002 | 1.7857 |
2003 | 1.7021 |
2004 | 1.8959 |
2005 | 1.9572 |
2006 | 2.3839 |
2007 | 2.3637 |
2008 | 2.2648 |
2009 | 2.4791 |
2010 | 2.3768 |
2011 | 2.7654 |
2012 | 2.6418 |
2013 | 2.55 |
2014 | 2.5681 |
2015 | 2.5914 |