| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 1.8 | 56 |
| 2015 | 1.5 | 119 |
| 2014 | 1.2 | 130 |
| 2013 | 1.2 | 144 |
| 2012 | 1.3 | 143 |
| 2011 | 1.1 | 145 |
| 2010 | 0.8 | 151 |
| 2009 | 0.7 | 153 |
| 2008 | 0.4 | 152 |
| 2007 | 0.4 | 153 |
| 2006 | 0.5 | 150 |
| 2005 | 0.5 | 150 |
| 2004 | 0.7 | 139 |
| 2003 | 1.1 | 135 |
| 2002 | 2 | 118 |
| 2001 | 1.8 | 107 |
| 2000 | 2 | 104 |
| 1999 | 2.2 | 101 |
| 1998 | 3.9 | 45 |
| 1997 | 5.2 | 26 |
| 1996 | 4.6 | 30 |
| 1995 | 3.1 | 54 |
| 1994 | 4.6 | 36 |
| 1993 | 5.1 | 25 |
| 1992 | 4.4 | 27 |
| 1991 | 7 | 9 |
| 1990 | 6.1 | 13 |
| 1989 | 6.5 | 11 |
| 1988 | 6.8 | 10 |
| 1987 | 7.3 | 11 |
| 1986 | 5.7 | 18 |