| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 39.22 | 166 |
| 2015 | 38.76 | 164 |
| 2014 | 38.3 | 161 |
| 2013 | 37.86 | 161 |
| 2012 | 37.43 | 161 |
| 2011 | 37.01 | 160 |
| 2010 | 36.6 | 160 |
| 2009 | 36.2 | 161 |
| 2008 | 35.82 | 161 |
| 2007 | 35.44 | 162 |
| 2006 | 35.08 | 162 |
| 2005 | 34.73 | 162 |
| 2004 | 34.39 | 162 |
| 2003 | 34.07 | 163 |
| 2002 | 33.75 | 163 |
| 2001 | 33.45 | 160 |
| 2000 | 33.16 | 160 |
| 1999 | 32.87 | 161 |
| 1998 | 32.61 | 161 |
| 1997 | 32.35 | 161 |
| 1996 | 32.09 | 161 |
| 1995 | 31.84 | 159 |
| 1994 | 31.58 | 159 |
| 1993 | 31.33 | 157 |
| 1992 | 31.08 | 156 |
| 1991 | 30.83 | 157 |
| 1990 | 30.58 | 158 |
| 1989 | 30.33 | 154 |
| 1988 | 30.08 | 154 |
| 1987 | 29.83 | 155 |
| 1986 | 29.59 | 154 |