| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.4 | 129 |
| 2015 | 39.362 | 159 |
| 2014 | 39.371 | 157 |
| 2013 | 38.33 | 162 |
| 2012 | 38.765 | 159 |
| 2011 | 39.918 | 158 |
| 2010 | 37.945 | 162 |
| 2009 | 38.083 | 162 |
| 2008 | 36.522 | 158 |
| 2007 | 35.392 | 162 |
| 2006 | 38.879 | 155 |
| 2005 | 39.528 | 152 |
| 2004 | 37.334 | 157 |
| 2003 | 35.447 | 159 |
| 2002 | 35.059 | 162 |
| 2001 | 35.961 | 155 |
| 2000 | 36.62 | 151 |
| 1999 | 37.083 | 144 |
| 1998 | 37.566 | 143 |
| 1997 | 35.009 | 144 |
| 1996 | 35.073 | 141 |
| 1995 | 34.132 | 141 |
| 1994 | 35.175 | 122 |
| 1993 | 38.245 | 107 |
| 1992 | 37.97 | 104 |
| 1991 | 40.396 | 92 |
| 1990 | 39.869 | 91 |
| 1989 | 40.44 | 78 |
| 1988 | 38.613 | 84 |
| 1987 | 37.201 | 88 |
| 1986 | 37.778 | 85 |