时间 | 值 (%) | 世界排名 |
---|---|---|
2016 | 28.2 | 85 |
2015 | 28.7 | 83 |
2014 | 29.1 | 81 |
2013 | 29.6 | 81 |
2012 | 30 | 80 |
2011 | 30.5 | 79 |
2010 | 30.9 | 79 |
2009 | 31.3 | 80 |
2008 | 31.7 | 80 |
2007 | 32.1 | 81 |
2006 | 32.4 | 81 |
2005 | 32.8 | 81 |
2004 | 33.2 | 85 |
2003 | 33.6 | 85 |
2002 | 34 | 85 |
2001 | 34.4 | 85 |
2000 | 34.7 | 91 |
1999 | 35.2 | 91 |
1998 | 35.6 | 91 |
1997 | 36 | 91 |
1996 | 36.3 | 92 |
1995 | 36.6 | 91 |
1994 | 37 | 92 |
1993 | 37.3 | 94 |
1992 | 37.5 | 96 |
1991 | 37.7 | 95 |
1990 | 37.9 | 96 |
1989 | 38.2 | 95 |
1988 | 38.4 | 96 |
1987 | 38.6 | 95 |
1986 | 38.7 | 99 |