| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.86 | 45 |
| 2015 | 1.71 | 62 |
| 2014 | 1.85 | 57 |
| 2013 | 1.77 | 57 |
| 2012 | 1.63 | 64 |
| 2011 | 1.57 | 64 |
| 2010 | 1.79 | 59 |
| 2009 | 1.74 | 66 |
| 2008 | 1.8 | 63 |
| 2005 | 1.57 | 81 |
| 2004 | 1.64 | 79 |
| 2003 | 1.72 | 77 |
| 1995 | 2.36 | 52 |
| 1994 | 2.58 | 47 |
| 1993 | 4.07 | 26 |
| 1992 | 2.9 | 45 |
| 1991 | 2.86 | 49 |
| 1990 | 3.12 | 49 |
| 1989 | 3.09 | 46 |
| 1988 | 3.13 | 42 |
| 1987 | 3.48 | 42 |
| 1986 | 2.83 | 45 |