| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.49 | 194 |
| 2015 | -2.5 | 193 |
| 2014 | -2.48 | 192 |
| 2013 | -2.45 | 192 |
| 2012 | -2.43 | 192 |
| 2011 | -2.27 | 190 |
| 2010 | -2.12 | 194 |
| 2009 | -1.98 | 193 |
| 2008 | -1.67 | 188 |
| 2007 | -.93 | 174 |
| 2006 | -.06 | 137 |
| 2005 | 1.05 | 80 |
| 2004 | 2.27 | 31 |
| 2003 | 3.01 | 16 |
| 2002 | 2.9 | 16 |
| 2001 | 1.33 | 71 |
| 2000 | 0.14 | 128 |
| 1999 | -.99 | 183 |
| 1998 | -1.75 | 188 |
| 1997 | -1.72 | 190 |
| 1996 | -1.05 | 179 |
| 1995 | -.16 | 146 |
| 1994 | 0.72 | 98 |
| 1993 | 1.25 | 83 |
| 1992 | 1.2 | 85 |
| 1991 | 0.74 | 110 |
| 1990 | -1.41 | 183 |
| 1989 | -2.11 | 188 |
| 1988 | -2.54 | 192 |
| 1987 | -2.38 | 192 |
| 1986 | -1.84 | 188 |