| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2015 | 44.387 | 2 |
| 2014 | 44.29 | 2 |
| 2013 | 46.011 | 2 |
| 2012 | 32.33 | 3 |
| 2011 | 23.75 | 7 |
| 2010 | 24.625 | 6 |
| 2009 | 25.25 | 7 |
| 2008 | 25.278 | 7 |
| 2007 | 27.715 | 7 |
| 2006 | 32.25 | 4 |
| 2005 | 33.083 | 5 |
| 2004 | 36.833 | 5 |
| 2003 | 48.917 | 6 |
| 2002 | 50.542 | 5 |
| 2001 | 56.167 | 3 |
| 2000 | 53.125 | 6 |
| 1999 | 53.583 | 7 |
| 1998 | 37.667 | 19 |
| 1997 | 28.25 | 27 |
| 1996 | 45.333 | 15 |
| 1995 | 47.333 | 14 |
| 1994 | 31 | 24 |
| 1993 | 29.5 | 30 |
| 1992 | 22 | 29 |
| 1991 | 20 | 33 |
| 1990 | 21 | 26 |
| 1989 | 23 | 18 |
| 1988 | 22.25 | 17 |
| 1987 | 19.5 | 18 |
| 1986 | 19 | 16 |