| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.873 | 136 |
| 2015 | 49.887 | 135 |
| 2014 | 49.904 | 135 |
| 2013 | 49.923 | 135 |
| 2012 | 49.943 | 133 |
| 2011 | 49.96 | 133 |
| 2010 | 49.974 | 134 |
| 2009 | 49.982 | 131 |
| 2008 | 49.986 | 131 |
| 2007 | 49.989 | 130 |
| 2006 | 49.997 | 128 |
| 2005 | 50.013 | 128 |
| 2004 | 50.039 | 125 |
| 2003 | 50.074 | 124 |
| 2002 | 50.116 | 123 |
| 2001 | 50.16 | 120 |
| 2000 | 50.204 | 115 |
| 1999 | 50.247 | 112 |
| 1998 | 50.288 | 109 |
| 1997 | 50.328 | 105 |
| 1996 | 50.365 | 104 |
| 1995 | 50.399 | 102 |
| 1994 | 50.432 | 100 |
| 1993 | 50.463 | 94 |
| 1992 | 50.492 | 89 |
| 1991 | 50.521 | 89 |
| 1990 | 50.548 | 86 |
| 1989 | 50.573 | 82 |
| 1988 | 50.596 | 78 |
| 1987 | 50.615 | 78 |
| 1986 | 50.631 | 76 |