年度 | 实际值 |
---|---|
1992 | 5.5 |
1993 | |
1994 | |
1995 | 5.3 |
1996 | |
1997 | |
1998 | |
1999 | 5.8 |
2000 | 6 |
2001 | 6 |
2002 | 6.2897 |
2003 | 6.3211 |
2004 | 6.3251 |
2005 | 6.2793 |
2006 | 6.2452 |
2007 | 6.2843 |
2008 | 6.3211 |
2009 | 6.3094 |
2010 | 6.4861 |
2011 | 7 |
2012 | 7 |
2013 | |
2014 | |
2015 | 8.1126 |