| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2014 | 2.367 | 111 |
| 2013 | -.017 | 154 |
| 2012 | 6.606 | 44 |
| 2011 | 2.259 | 131 |
| 2010 | 2.813 | 117 |
| 2009 | 3.18 | 62 |
| 2008 | 4.736 | 80 |
| 2007 | 4.277 | 127 |
| 2006 | 9.072 | 37 |
| 2005 | 5.718 | 80 |
| 2004 | 4.172 | 105 |
| 2003 | 6.852 | 41 |
| 2002 | -4.017 | 161 |
| 2001 | -1.607 | 155 |
| 2000 | 2.619 | 121 |
| 1999 | -1.581 | 144 |
| 1998 | -12.85 | 157 |
| 1997 | 6.23 | 45 |
| 1996 | 3.688 | 76 |
| 1995 | 0.694 | 103 |
| 1994 | 9.056 | 17 |
| 1993 | -.775 | 104 |
| 1992 | 6.937 | 25 |
| 1991 | 9.301 | 9 |
| 1990 | 9.329 | 18 |
| 1989 | 1.107 | 82 |
| 1988 | -1.266 | 101 |
| 1987 | -5.326 | 106 |
| 1986 | 1.132 | 82 |