| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 5.6 | 23 |
| 2015 | 4.4 | 66 |
| 2014 | 4.2 | 70 |
| 2013 | 5.4 | 51 |
| 2012 | 5.1 | 54 |
| 2011 | 4 | 78 |
| 2010 | 4.6 | 82 |
| 2009 | 4.5 | 90 |
| 2008 | 3.5 | 67 |
| 2007 | 3.7 | 79 |
| 2006 | 3 | 96 |
| 2005 | 2.7 | 94 |
| 2004 | 2.7 | 99 |
| 2003 | 2.1 | 110 |
| 2002 | 2.6 | 92 |
| 2001 | 2.6 | 83 |
| 2000 | 2.6 | 80 |
| 1999 | 2.7 | 85 |
| 1998 | 1.3 | 121 |
| 1997 | 3 | 68 |
| 1996 | 2.9 | 67 |
| 1995 | 3 | 57 |
| 1994 | 2.8 | 70 |