| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 42.23 | 125 |
| 2015 | 38.11 | 150 |
| 2014 | 36.78 | 165 |
| 2013 | 34.64 | 169 |
| 2012 | 36.12 | 168 |
| 2011 | 38.27 | 170 |
| 2010 | 39.01 | 156 |
| 2009 | 35.05 | 163 |
| 2008 | 44.1 | 157 |
| 2007 | 41.57 | 159 |
| 2006 | 40.49 | 163 |
| 2005 | 41.6 | 156 |
| 2004 | 37.02 | 161 |
| 2003 | 36.97 | 153 |
| 2002 | 42.42 | 135 |
| 2001 | 46.36 | 123 |
| 2000 | 47.11 | 120 |
| 1999 | 43.48 | 124 |
| 1998 | 45.84 | 109 |
| 1997 | 51.12 | 99 |
| 1996 | 54.24 | 84 |
| 1995 | 50.06 | 100 |
| 1994 | 53.66 | 79 |
| 1993 | 51.59 | 74 |
| 1992 | 62.21 | 50 |
| 1991 | 61.9 | 47 |
| 1990 | 62.94 | 50 |
| 1989 | 67.47 | 40 |
| 1988 | 59.92 | 43 |
| 1987 | 55.39 | 55 |
| 1986 | 55.75 | 55 |