| 时间 | 值 | 世界排名 |
|---|---|---|
| 2015 | 2.5 | 105 |
| 2014 | 2.4 | 111 |
| 2013 | 2.9 | 111 |
| 2012 | 4.9 | 60 |
| 2011 | 3.1 | 107 |
| 2010 | 6.1 | 44 |
| 2009 | 5.6 | 61 |
| 2008 | 2 | 117 |
| 2007 | 4.6 | 59 |
| 2006 | 4.6 | 54 |
| 2005 | 2.5 | 109 |
| 2004 | 1.7 | 120 |
| 2003 | 2.2 | 107 |
| 2002 | 3.3 | 72 |
| 2001 | 2.9 | 76 |
| 2000 | 3.1 | 66 |
| 1999 | 2.5 | 91 |
| 1998 | 1.8 | 104 |
| 1997 | 3.9 | 44 |
| 1996 | 3.2 | 57 |
| 1995 | 3.4 | 46 |
| 1994 | 2.5 | 76 |
| 1993 | 1.9 | 90 |
| 1992 | 0.6 | 121 |