| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 3.231 | 64 |
| 2015 | 5.21 | 42 |
| 2014 | 6.147 | 35 |
| 2013 | 8.397 | 19 |
| 2012 | 9.9 | 19 |
| 2011 | 6.891 | 40 |
| 2010 | 6.496 | 58 |
| 2009 | -.879 | 118 |
| 2008 | 5.979 | 57 |
| 2007 | 9.151 | 47 |
| 2006 | 10.905 | 23 |
| 2005 | 6.871 | 63 |
| 2004 | 1.244 | 150 |
| 2003 | 0.49 | 144 |
| 2002 | 0.258 | 146 |
| 2001 | 3.091 | 94 |
| 2000 | 4.272 | 92 |
| 1999 | -5.467 | 151 |
| 1998 | 6.328 | 31 |
| 1997 | 8.456 | 25 |
| 1996 | 4.184 | 67 |
| 1995 | 5.889 | 33 |
| 1994 | -1.625 | 109 |
| 1993 | 1.484 | 87 |
| 1992 | -8.409 | 119 |
| 1991 | 25.218 | 1 |
| 1990 | -5.371 | 103 |
| 1989 | -.711 | 93 |
| 1988 | 27.509 | 2 |
| 1987 | -19.399 | 110 |
| 1986 | -3.215 | 98 |