| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.391 | 85 |
| 2015 | 0.786 | 144 |
| 2014 | 0.155 | 157 |
| 2013 | 1.532 | 135 |
| 2012 | 4.518 | 78 |
| 2011 | 4.841 | 80 |
| 2010 | 0.59 | 154 |
| 2009 | -12.467 | 172 |
| 2008 | -3.51 | 167 |
| 2007 | 7.035 | 79 |
| 2006 | 10.495 | 28 |
| 2005 | 8.649 | 37 |
| 2004 | 7.135 | 54 |
| 2003 | 6.852 | 40 |
| 2002 | 5.133 | 62 |
| 2001 | 5.88 | 38 |
| 2000 | 5.76 | 48 |
| 1999 | 2.311 | 102 |
| 1998 | 5.216 | 43 |
| 1997 | 9.195 | 20 |
| 1996 | 6.867 | 30 |