| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2015 | 35.45 | 5 |
| 2014 | 35.77 | 3 |
| 2013 | 35.98 | 3 |
| 2012 | 37.26 | 5 |
| 2011 | 84.95 | 1 |
| 2010 | 34.99 | 5 |
| 2009 | 11.06 | 22 |
| 2008 | 33.36 | 5 |
| 2007 | 17.81 | 21 |
| 2006 | 17.86 | 18 |
| 2005 | 15.05 | 14 |
| 2004 | 15.87 | 7 |
| 2003 | 89.48 | 2 |
| 2002 | 0.52 | 148 |
| 2001 | 1.59 | 111 |
| 2000 | 3.93 | 75 |
| 1999 | 58 | 1 |
| 1998 | 52.92 | 2 |
| 1997 | 72.26 | 1 |
| 1996 | -82.89 | 176 |
| 1995 | 3.41 | 42 |
| 1994 | 13.15 | 5 |
| 1993 | -33.43 | 159 |
| 1992 | -4.85 | 154 |
| 1991 | 2.42 | 37 |
| 1990 | 58.6 | 1 |
| 1989 | 83.43 | 1 |
| 1988 | 27.94 | 1 |
| 1987 | 3.96 | 14 |
| 1986 | -1.96 | 132 |