时间 | 值 (%) | 世界排名 |
---|---|---|
2016 | 13.7 | 34 |
2015 | 9.6 | 38 |
2014 | 11.1 | 45 |
2013 | 7.4 | 46 |
2012 | 8.5 | 45 |
2011 | 10.9 | 47 |
2010 | 15.3 | 43 |
2009 | 17.4 | 41 |
2008 | 47 | 36 |
2007 | 36.3 | 35 |
2006 | 23.9 | 37 |
2005 | 29.8 | 30 |
2004 | 18.3 | 40 |
2003 | 9 | 44 |
2002 | 7.6 | 43 |
2001 | 10.3 | 45 |
2000 | 29.6 | 34 |
1999 | 17.7 | 41 |