| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.607 | 79 |
| 2015 | 2.663 | 102 |
| 2014 | 2.679 | 105 |
| 2013 | 3.34 | 93 |
| 2012 | 4.184 | 86 |
| 2011 | 3.26 | 101 |
| 2010 | 4.231 | 94 |
| 2009 | 2.334 | 72 |
| 2008 | 5.898 | 58 |
| 2007 | 6.741 | 83 |
| 2006 | 6.995 | 66 |
| 2005 | 8.258 | 41 |
| 2004 | 6.658 | 66 |
| 2003 | 4.963 | 69 |
| 2002 | 2.295 | 112 |
| 2001 | 4.883 | 64 |
| 2000 | 5.033 | 71 |
| 1999 | 4.181 | 68 |
| 1998 | 3.043 | 97 |
| 1997 | 3.761 | 90 |
| 1996 | 4.555 | 63 |
| 1995 | 9.613 | 14 |
| 1994 | 3.855 | 61 |
| 1993 | 5.17 | 42 |
| 1992 | 6.335 | 35 |
| 1991 | 3.315 | 52 |
| 1990 | -2.853 | 99 |
| 1989 | -15.053 | 112 |
| 1988 | 2.254 | 74 |
| 1987 | 4.185 | 56 |
| 1986 | 2.094 | 77 |