| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.32 | 69 |
| 2015 | 2.7 | 65 |
| 2014 | 3.15 | 60 |
| 2013 | 1.26 | 118 |
| 2012 | 2.07 | 82 |
| 2011 | 2.11 | 108 |
| 2010 | 1.24 | 139 |
| 2009 | 0.75 | 62 |
| 2008 | -.5 | 161 |
| 2007 | -.43 | 181 |
| 2006 | 1.3 | 166 |
| 2005 | -1.47 | 193 |
| 2004 | -.52 | 182 |
| 2003 | 2.23 | 110 |
| 2002 | -3.56 | 184 |
| 2001 | -4.35 | 186 |
| 2000 | -3.67 | 184 |
| 1999 | -.63 | 147 |
| 1998 | -5.32 | 182 |
| 1997 | 10.94 | 8 |
| 1996 | 5.76 | 35 |
| 1995 | 5.06 | 40 |
| 1994 | 12.26 | 4 |
| 1993 | -17.01 | 173 |
| 1992 | -6.18 | 150 |
| 1991 | -3.14 | 138 |
| 1990 | -2.89 | 129 |
| 1989 | 1.11 | 96 |
| 1988 | 3.43 | 65 |
| 1987 | -2.67 | 132 |
| 1986 | -1.77 | 125 |