| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.81 | 147 |
| 2015 | 41.9 | 146 |
| 2014 | 41.88 | 146 |
| 2013 | 42.17 | 146 |
| 2012 | 42.42 | 146 |
| 2011 | 42.5 | 144 |
| 2010 | 42.44 | 144 |
| 2009 | 41.25 | 148 |
| 2008 | 40.6 | 149 |
| 2007 | 39.17 | 151 |
| 2006 | 38 | 153 |
| 2005 | 37.08 | 154 |
| 2004 | 36.19 | 155 |
| 2003 | 35.36 | 159 |
| 2002 | 34.67 | 159 |
| 2001 | 34.14 | 160 |
| 2000 | 33.79 | 160 |
| 1999 | 33.13 | 161 |
| 1998 | 32.51 | 163 |
| 1997 | 31.99 | 162 |
| 1996 | 31.6 | 162 |
| 1995 | 31.32 | 160 |
| 1994 | 29.9 | 163 |
| 1993 | 28.49 | 163 |
| 1992 | 27.16 | 167 |
| 1991 | 25.97 | 168 |
| 1990 | 24.96 | 170 |