时间 | 值 (%) | 世界排名 |
---|---|---|
2013 | 1.6 | 54 |
2012 | 0.7 | 66 |
2011 | 0.6 | 70 |
2010 | 0.7 | 69 |
2009 | 0.9 | 64 |
2008 | 2.4 | 61 |
2007 | 15.2 | 44 |
2006 | 5.4 | 50 |
2005 | 2.6 | 53 |
2004 | 1.8 | 63 |
2003 | 0.6 | 71 |
2002 | 1 | 60 |
2001 | 0.5 | 69 |
2000 | 0 | 76 |
1999 | 0 | 80 |
1998 | 1 | 65 |
1997 | 0.4 | 73 |
1996 | 0.1 | 76 |
1995 | 0 | 73 |
1994 | 0 | 70 |
1993 | 0 | 62 |