| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.103 | 130 |
| 2015 | 41.205 | 156 |
| 2014 | 41.195 | 154 |
| 2013 | 36.668 | 165 |
| 2012 | 32.261 | 168 |
| 2011 | 31.623 | 171 |
| 2010 | 31.992 | 173 |
| 2009 | 31.661 | 171 |
| 2008 | 30.915 | 165 |
| 2007 | 31.338 | 169 |
| 2006 | 30.561 | 167 |
| 2005 | 30.788 | 166 |
| 2004 | 30.189 | 168 |
| 2003 | 29.38 | 168 |
| 2002 | 32.392 | 166 |
| 2001 | 32.254 | 164 |
| 2000 | 33.269 | 157 |
| 1999 | 33.836 | 151 |
| 1998 | 29.887 | 157 |
| 1997 | 30.619 | 153 |
| 1996 | 31.597 | 147 |
| 1995 | 32.263 | 145 |
| 1994 | 32.892 | 127 |
| 1993 | 31.695 | 121 |
| 1992 | 32.063 | 116 |
| 1991 | 32.771 | 115 |
| 1990 | 30.366 | 115 |
| 1989 | 32.909 | 97 |
| 1988 | 34.077 | 91 |
| 1987 | 37.184 | 89 |
| 1986 | 36.266 | 87 |