时间 | 值 (%) | 世界排名 |
---|---|---|
2013 | 0.1 | 77 |
2012 | 0.1 | 79 |
2011 | 0.1 | 81 |
2010 | 0.1 | 79 |
2009 | 0.1 | 75 |
2008 | 0.2 | 74 |
2007 | 0.3 | 73 |
2006 | 0.3 | 72 |
2005 | 0.1 | 72 |
2004 | 0.2 | 79 |
2003 | 0.7 | 68 |
1999 | 1.5 | 58 |
1998 | 0.2 | 76 |
1997 | 0.1 | 78 |
1996 | 0.1 | 75 |
1995 | 0.1 | 69 |
1994 | 0.2 | 65 |
1993 | 0.1 | 57 |