| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 1.5 | 59 |
| 2015 | 1.4 | 122 |
| 2014 | 1.4 | 126 |
| 2013 | 1.4 | 140 |
| 2012 | 1.9 | 137 |
| 2011 | 1.6 | 134 |
| 2010 | 1.8 | 136 |
| 2009 | 1.6 | 143 |
| 2008 | 1 | 142 |
| 2007 | 1.1 | 143 |
| 2006 | 1 | 141 |
| 2005 | 1.1 | 139 |
| 2004 | 1.1 | 132 |
| 2003 | 1.3 | 127 |
| 2002 | 1.5 | 127 |
| 2001 | 1.4 | 120 |
| 2000 | 1.5 | 122 |
| 1999 | 1.6 | 117 |
| 1998 | 1.9 | 99 |
| 1997 | 2 | 99 |
| 1996 | 2.2 | 89 |
| 1995 | 2.2 | 81 |
| 1994 | 2.5 | 78 |
| 1993 | 2.8 | 64 |
| 1992 | 2.7 | 61 |
| 1991 | 2.2 | 73 |
| 1990 | 2.7 | 57 |
| 1989 | 3.4 | 42 |
| 1988 | 3.6 | 40 |
| 1987 | 5 | 26 |
| 1986 | 4.3 | 35 |