| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.509 | 105 |
| 2015 | 0.75 | 145 |
| 2014 | 0.751 | 150 |
| 2013 | 0.192 | 153 |
| 2012 | 0.278 | 153 |
| 2011 | 2.684 | 124 |
| 2010 | 1.499 | 142 |
| 2009 | -.89 | 119 |
| 2008 | 2.543 | 119 |
| 2007 | 3.005 | 145 |
| 2006 | 3.642 | 127 |
| 2005 | 2.419 | 135 |
| 2004 | 2.605 | 135 |
| 2003 | 0.506 | 143 |
| 2002 | 2.743 | 104 |
| 2001 | 1.224 | 133 |
| 2000 | 3.82 | 102 |
| 1999 | 3.309 | 90 |
| 1998 | 4.273 | 69 |
| 1997 | 2.44 | 115 |
| 1996 | 2.099 | 113 |
| 1995 | 3.23 | 74 |
| 1994 | 1.407 | 91 |
| 1993 | 0.988 | 89 |
| 1992 | 3.007 | 68 |
| 1991 | 3.234 | 54 |
| 1990 | 4.022 | 56 |
| 1989 | 4.475 | 48 |
| 1988 | 2.896 | 66 |
| 1987 | 1.66 | 81 |
| 1986 | 2.709 | 65 |