| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 3.253 | 63 |
| 2015 | 1.407 | 131 |
| 2014 | 4.545 | 68 |
| 2013 | 6.367 | 42 |
| 2012 | 1.486 | 137 |
| 2011 | 5.709 | 63 |
| 2010 | 7.938 | 34 |
| 2009 | 1.994 | 81 |
| 2008 | 13.805 | 10 |
| 2007 | 9.362 | 44 |
| 2006 | 23.314 | 4 |
| 2005 | -13.589 | 164 |
| 2004 | 10.053 | 25 |
| 2003 | 17.459 | 2 |
| 2002 | 5.53 | 56 |
| 2001 | -7.153 | 166 |
| 2000 | 5.439 | 54 |
| 1999 | 6.073 | 34 |
| 1998 | 8.307 | 17 |
| 1997 | 8.924 | 24 |
| 1996 | 10.062 | 12 |