| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 42.6 | 120 |
| 2015 | 43.685 | 147 |
| 2014 | 39.232 | 159 |
| 2013 | 35.077 | 167 |
| 2012 | 36.247 | 164 |
| 2011 | 33.346 | 167 |
| 2010 | 36.722 | 165 |
| 2009 | 38.877 | 158 |
| 2008 | 35.359 | 160 |
| 2007 | 34.825 | 165 |
| 2006 | 30.533 | 168 |
| 2005 | 36.297 | 158 |
| 2004 | 37.164 | 158 |
| 2003 | 38.676 | 154 |
| 2002 | 38.592 | 151 |
| 2001 | 35.907 | 156 |
| 2000 | 35.347 | 153 |
| 1999 | 34.944 | 150 |
| 1998 | 35.294 | 148 |
| 1997 | 40.18 | 132 |
| 1996 | 38.362 | 133 |
| 1995 | 37.394 | 134 |
| 1994 | 38.333 | 112 |
| 1993 | 37.387 | 109 |
| 1992 | 39.134 | 99 |
| 1991 | 38.336 | 97 |
| 1990 | 41.573 | 86 |
| 1989 | 38.395 | 84 |
| 1988 | 40.081 | 80 |
| 1987 | 40.934 | 79 |
| 1986 | 42.225 | 77 |