| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 4.8 | 34 |
| 2015 | 4.8 | 57 |
| 2014 | 4.8 | 53 |
| 2013 | 5.8 | 45 |
| 2012 | 6.2 | 39 |
| 2011 | 5.6 | 43 |
| 2010 | 5.8 | 50 |
| 2009 | 5.9 | 56 |
| 2008 | 2.4 | 104 |
| 2007 | 2.2 | 125 |
| 2006 | 2.4 | 116 |
| 2005 | 3 | 84 |
| 2004 | 4.2 | 54 |
| 2003 | 4.7 | 54 |
| 2002 | 3.9 | 63 |
| 2001 | 2.7 | 78 |
| 2000 | 2.3 | 89 |
| 1999 | 3.8 | 57 |
| 1998 | 2.6 | 81 |
| 1997 | 3 | 69 |
| 1996 | 1.8 | 104 |
| 1995 | 1.5 | 109 |
| 1994 | 1.6 | 101 |
| 1993 | 2 | 87 |
| 1992 | 2.1 | 79 |
| 1991 | 1.7 | 85 |
| 1990 | 2.5 | 64 |
| 1989 | 1.9 | 78 |
| 1988 | 3.3 | 45 |
| 1987 | 3.3 | 51 |
| 1986 | 2 | 82 |