| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 33.28 | 163 |
| 2015 | 33.24 | 163 |
| 2014 | 33.21 | 163 |
| 2013 | 32.93 | 164 |
| 2012 | 32.63 | 164 |
| 2011 | 32.49 | 164 |
| 2010 | 32.44 | 164 |
| 2009 | 32.3 | 163 |
| 2008 | 32.25 | 163 |
| 2007 | 32.28 | 163 |
| 2006 | 32.33 | 163 |
| 2005 | 32.39 | 162 |
| 2004 | 32.42 | 163 |
| 2003 | 32.61 | 162 |
| 2002 | 32.59 | 162 |
| 2001 | 32.69 | 162 |
| 2000 | 32.91 | 162 |
| 1999 | 33.05 | 162 |
| 1998 | 33.28 | 161 |
| 1997 | 33.67 | 158 |
| 1996 | 34.06 | 153 |
| 1995 | 34.36 | 153 |
| 1994 | 34.59 | 152 |
| 1993 | 34.71 | 150 |
| 1992 | 34.94 | 149 |
| 1991 | 35.47 | 145 |
| 1990 | 35.4 | 143 |