时间 | 值 (%) | 世界排名 |
---|---|---|
2013 | 1 | 59 |
2012 | 1 | 61 |
2011 | 1.5 | 61 |
2010 | 1.8 | 59 |
2009 | 2.3 | 57 |
2008 | 4.6 | 52 |
2007 | 7.3 | 54 |
2006 | 3.7 | 57 |
2005 | 1.7 | 61 |
2004 | 1.1 | 71 |
2003 | 0.7 | 67 |
2002 | 0.6 | 65 |
2001 | 0.5 | 68 |
2000 | 0.9 | 63 |
1999 | 0.3 | 73 |
1998 | 0.4 | 73 |
1997 | 1 | 64 |
1996 | 0.8 | 63 |
1995 | 1.4 | 52 |