| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.966 | 71 |
| 2015 | 2.453 | 109 |
| 2014 | 5.772 | 42 |
| 2013 | 1.433 | 138 |
| 2012 | 0.749 | 145 |
| 2011 | 1.575 | 144 |
| 2010 | -1.848 | 166 |
| 2009 | -3.185 | 149 |
| 2008 | 2.921 | 114 |
| 2007 | 9.09 | 50 |
| 2006 | 0.683 | 155 |
| 2005 | 5.514 | 83 |
| 2004 | 1.14 | 154 |
| 2003 | 7.492 | 31 |
| 2002 | 3.58 | 84 |
| 2001 | 1.318 | 132 |
| 2000 | 4.841 | 76 |
| 1999 | 6.747 | 26 |
| 1998 | 12.775 | 4 |
| 1997 | 3.792 | 89 |
| 1996 | 3.633 | 79 |
| 1995 | 1.192 | 101 |
| 1994 | 2.422 | 81 |
| 1993 | -.213 | 100 |
| 1992 | 0.47 | 100 |
| 1991 | 1.896 | 73 |
| 1990 | 6.019 | 32 |
| 1989 | 3.337 | 62 |
| 1988 | 0.976 | 89 |
| 1987 | 5.928 | 35 |
| 1986 | 10.38 | 8 |