| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 34.39 | 161 |
| 2015 | 34.43 | 161 |
| 2014 | 34.47 | 161 |
| 2013 | 34.68 | 161 |
| 2012 | 34.77 | 160 |
| 2011 | 34.71 | 159 |
| 2010 | 34.59 | 160 |
| 2009 | 33.36 | 162 |
| 2008 | 32.9 | 162 |
| 2007 | 31.72 | 164 |
| 2006 | 31.48 | 164 |
| 2005 | 31.76 | 165 |
| 2004 | 31.6 | 165 |
| 2003 | 31.76 | 164 |
| 2002 | 31.93 | 163 |
| 2001 | 32.09 | 163 |
| 2000 | 32.24 | 164 |
| 1999 | 32.4 | 164 |
| 1998 | 32.52 | 162 |
| 1997 | 32.59 | 161 |
| 1996 | 32.41 | 159 |
| 1995 | 30.96 | 162 |
| 1994 | 30.24 | 162 |
| 1993 | 30.27 | 160 |
| 1992 | 30.41 | 161 |
| 1991 | 30.83 | 159 |
| 1990 | 31.48 | 157 |