| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 5.307 | 32 |
| 2015 | 3.203 | 86 |
| 2014 | 2.053 | 126 |
| 2013 | 0.832 | 144 |
| 2012 | 2.818 | 116 |
| 2011 | -.283 | 168 |
| 2010 | 1.137 | 151 |
| 2009 | -8.594 | 168 |
| 2008 | 8.454 | 36 |
| 2007 | 7.728 | 68 |
| 2004 | 6.018 | 73 |
| 2003 | 10.45 | 13 |
| 2002 | -15.872 | 169 |
| 2001 | 6.089 | 33 |
| 2000 | 4.809 | 78 |
| 1999 | 5.467 | 43 |
| 1998 | 4.815 | 53 |
| 1997 | 4.755 | 75 |
| 1996 | 2.139 | 112 |
| 1995 | 1.538 | 97 |
| 1994 | 0.503 | 100 |
| 1993 | 2.165 | 77 |
| 1992 | 1.15 | 92 |
| 1991 | -7.042 | 118 |
| 1990 | 4.021 | 57 |
| 1989 | 4.028 | 54 |
| 1988 | 4.711 | 46 |
| 1987 | -.659 | 91 |
| 1986 | 0.641 | 86 |