| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 34.33 | 162 |
| 2015 | 34.25 | 162 |
| 2014 | 34.18 | 162 |
| 2013 | 34.08 | 162 |
| 2012 | 34.14 | 162 |
| 2011 | 34.46 | 160 |
| 2010 | 35.1 | 159 |
| 2009 | 37.52 | 156 |
| 2008 | 36.97 | 157 |
| 2007 | 37.58 | 156 |
| 2006 | 38.79 | 151 |
| 2005 | 38.09 | 150 |
| 2004 | 36.77 | 153 |
| 2003 | 37.27 | 150 |
| 2002 | 36.58 | 154 |
| 2001 | 35.68 | 156 |
| 2000 | 34.78 | 158 |
| 1999 | 36.35 | 152 |
| 1998 | 34.8 | 155 |
| 1997 | 34.86 | 154 |
| 1996 | 33.8 | 156 |
| 1995 | 33.18 | 157 |
| 1994 | 33.43 | 157 |
| 1993 | 33.7 | 153 |
| 1992 | 31.56 | 158 |
| 1991 | 30.95 | 158 |
| 1990 | 30.53 | 159 |