| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 1.4 | 61 |
| 2015 | 1.2 | 125 |
| 2014 | 1.3 | 128 |
| 2013 | 0.9 | 148 |
| 2012 | 0.8 | 152 |
| 2011 | 0.8 | 150 |
| 2010 | 1.3 | 145 |
| 2009 | 1.8 | 142 |
| 2008 | 1.2 | 133 |
| 2007 | 1.2 | 137 |
| 2006 | 1.1 | 140 |
| 2005 | 1.1 | 138 |
| 2004 | 0.7 | 138 |
| 2003 | 1.3 | 128 |
| 2002 | 1.6 | 125 |
| 2001 | 1.3 | 122 |
| 2000 | 0.8 | 138 |
| 1999 | 1 | 133 |
| 1998 | 1 | 130 |
| 1997 | 1.3 | 126 |
| 1996 | 1.1 | 124 |
| 1995 | 0.9 | 127 |
| 1994 | 1 | 123 |
| 1993 | 0.9 | 122 |
| 1992 | 0.8 | 119 |
| 1991 | 0.9 | 117 |
| 1990 | 0.7 | 109 |
| 1989 | 0.3 | 115 |
| 1988 | 0.2 | 118 |
| 1987 | 0.2 | 119 |
| 1986 | 0.3 | 116 |