时间 | 值 (%) | 世界排名 |
---|---|---|
2016 | 1.9 | 51 |
2015 | 2 | 51 |
2014 | 1.7 | 56 |
2013 | 1.6 | 57 |
2012 | 1.2 | 53 |
2011 | 1.4 | 73 |
2010 | 1.2 | 72 |
2009 | 0.9 | 69 |
2008 | 1.9 | 71 |
2007 | 1.7 | 69 |
2006 | 6 | 61 |
2005 | 3.4 | 61 |
2004 | 3.5 | 62 |
2003 | 2.8 | 61 |
2002 | 4 | 51 |
2001 | 3.6 | 60 |
2000 | 9.2 | 48 |