| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 40.22 | 172 |
| 2015 | 39.96 | 172 |
| 2014 | 40.01 | 173 |
| 2013 | 39.35 | 175 |
| 2012 | 38.44 | 174 |
| 2011 | 39.51 | 170 |
| 2010 | 38.67 | 175 |
| 2009 | 40.04 | 176 |
| 2008 | 42.81 | 168 |
| 2007 | 42.71 | 167 |
| 2006 | 42.78 | 167 |
| 2005 | 45.47 | 158 |
| 2004 | 45.58 | 160 |
| 2003 | 47.29 | 151 |
| 2002 | 53.11 | 116 |
| 2001 | 53.37 | 120 |
| 2000 | 54.71 | 107 |
| 1999 | 54.01 | 112 |
| 1998 | 58.35 | 82 |
| 1997 | 57.9 | 85 |
| 1996 | 59.45 | 72 |
| 1995 | 60.14 | 65 |
| 1994 | 60.85 | 57 |
| 1993 | 61.52 | 56 |
| 1992 | 61.68 | 58 |
| 1991 | 61.76 | 60 |