| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 38.89 | 157 |
| 2015 | 39.19 | 155 |
| 2014 | 39.36 | 155 |
| 2013 | 39.81 | 152 |
| 2012 | 40.34 | 150 |
| 2011 | 40.84 | 148 |
| 2010 | 41.29 | 149 |
| 2009 | 40.39 | 150 |
| 2008 | 39.32 | 152 |
| 2007 | 38.27 | 153 |
| 2006 | 37.24 | 156 |
| 2005 | 36.17 | 157 |
| 2004 | 35.72 | 158 |
| 2003 | 35.55 | 157 |
| 2002 | 35.47 | 157 |
| 2001 | 35.55 | 157 |
| 2000 | 34.92 | 157 |
| 1999 | 34.06 | 159 |
| 1998 | 33.28 | 160 |
| 1997 | 32.63 | 160 |
| 1996 | 32.1 | 161 |
| 1995 | 31.6 | 159 |
| 1994 | 30.86 | 161 |
| 1993 | 30.15 | 161 |
| 1992 | 29.5 | 162 |
| 1991 | 28.94 | 162 |
| 1990 | 27.95 | 162 |