| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 34.86 | 152 |
| 2015 | 34.81 | 153 |
| 2014 | 34.77 | 153 |
| 2013 | 34.52 | 153 |
| 2012 | 36.31 | 148 |
| 2011 | 34.18 | 153 |
| 2010 | 34.76 | 151 |
| 2009 | 35.34 | 150 |
| 2008 | 35.91 | 148 |
| 2007 | 36.48 | 142 |
| 2006 | 37.04 | 138 |
| 2005 | 36.15 | 141 |
| 2004 | 35.3 | 145 |
| 2003 | 34.68 | 146 |
| 2002 | 34.06 | 148 |
| 2001 | 33.42 | 149 |
| 2000 | 32.78 | 155 |
| 1999 | 32.08 | 155 |
| 1998 | 31.38 | 156 |
| 1997 | 30.67 | 156 |
| 1996 | 29.96 | 157 |
| 1995 | 29.27 | 159 |
| 1994 | 28.54 | 160 |
| 1993 | 27.83 | 161 |
| 1992 | 27.12 | 162 |
| 1991 | 26.43 | 162 |
| 1990 | 25.74 | 164 |