| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.815 | 37 |
| 2015 | 5.801 | 31 |
| 2014 | 5.131 | 59 |
| 2013 | 5.789 | 53 |
| 2012 | 3.803 | 95 |
| 2011 | 4.442 | 85 |
| 2010 | 5.018 | 80 |
| 2009 | 4.89 | 44 |
| 2008 | 3.663 | 103 |
| 2007 | 4.039 | 133 |
| 2006 | 3.164 | 133 |
| 2005 | 1.956 | 141 |
| 2004 | 2.914 | 128 |
| 2003 | 2.063 | 122 |
| 2002 | 1.922 | 118 |
| 2001 | 1.976 | 118 |
| 2000 | 2.106 | 130 |
| 1999 | 3.733 | 79 |
| 1998 | 5.676 | 37 |
| 1997 | 5.839 | 50 |
| 1996 | 4.717 | 62 |
| 1995 | 3.477 | 70 |
| 1994 | 4.077 | 55 |
| 1993 | 3.735 | 54 |
| 1992 | 3.585 | 62 |
| 1991 | 4.106 | 45 |
| 1990 | 2.934 | 66 |
| 1989 | 3.206 | 64 |
| 1988 | 2.079 | 77 |
| 1987 | 1.527 | 82 |
| 1986 | -3.351 | 99 |