| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 121.69 | 25 |
| 2015 | 126.02 | 27 |
| 2014 | 136.97 | 24 |
| 2013 | 130.99 | 27 |
| 2012 | 122.17 | 42 |
| 2011 | 116.27 | 48 |
| 2010 | 111.77 | 48 |
| 2009 | 110.21 | 40 |
| 2008 | 179.12 | 9 |
| 2007 | 311.36 | 5 |
| 2006 | 277.14 | 5 |
| 2005 | 270.36 | 5 |
| 2004 | 290.5 | 4 |
| 2003 | 71.92 | 105 |
| 2002 | 73.14 | 101 |
| 2001 | 65.39 | 111 |
| 2000 | 70.31 | 104 |
| 1999 | 56.22 | 119 |
| 1998 | 50.14 | 135 |
| 1997 | 80.77 | 80 |
| 1986 | 99.05 | 31 |