| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.745 | 99 |
| 2015 | 1.534 | 129 |
| 2014 | 1.467 | 136 |
| 2013 | 6.141 | 46 |
| 2012 | 18.508 | 3 |
| 2011 | 19.284 | 1 |
| 2010 | 18.929 | 2 |
| 2009 | 57.311 | 1 |
| 2008 | -5.236 | 171 |
| 2007 | -2.127 | 165 |
| 2006 | -2.643 | 164 |
| 2005 | -8.463 | 163 |
| 2004 | -5.935 | 167 |
| 2003 | -12.078 | 166 |
| 2002 | -.862 | 153 |
| 2001 | -.508 | 147 |
| 2000 | -5.46 | 153 |
| 1999 | 2.179 | 106 |
| 1998 | 2.856 | 101 |
| 1997 | 1.374 | 130 |
| 1996 | 7.88 | 22 |
| 1995 | 6.045 | 31 |
| 1994 | 3.137 | 71 |
| 1993 | 0.631 | 92 |
| 1992 | 0.439 | 101 |
| 1991 | 5.085 | 38 |
| 1990 | 7.624 | 21 |
| 1989 | 2.766 | 68 |
| 1988 | 6.793 | 24 |
| 1987 | 1.412 | 83 |
| 1986 | 4.495 | 41 |