年度 | 实际值 |
---|---|
1992 | 8 |
1993 | |
1994 | |
1995 | 8.3 |
1996 | |
1997 | |
1998 | |
1999 | 9.2 |
2000 | 9.3 |
2001 | 11 |
2002 | 10.6995 |
2003 | 10.5373 |
2004 | 10.6737 |
2005 | 10.7036 |
2006 | 11.462 |
2007 | 11.5341 |
2008 | 11.8496 |
2009 | 11.9757 |
2010 | 12.1193 |
2011 | 13 |
2012 | 13 |
2013 | |
2014 | 14.69 |
2015 | 13.6098 |