| 时间 | 值 | 世界排名 |
|---|---|---|
| 2013 | 0.5294 | 162 |
| 2012 | 0.5469 | 163 |
| 2011 | 0.5012 | 163 |
| 2010 | 0.5305 | 163 |
| 2009 | 0.5056 | 162 |
| 2008 | 0.4808 | 164 |
| 2007 | 0.5138 | 163 |
| 2006 | 0.5604 | 164 |
| 2005 | 0.5647 | 164 |
| 2004 | 0.5402 | 164 |
| 2003 | 0.5715 | 165 |
| 2002 | 0.6182 | 163 |
| 2001 | 0.6279 | 164 |
| 2000 | 0.6065 | 165 |
| 1999 | 0.5852 | 163 |
| 1998 | 0.5898 | 170 |
| 1997 | 0.5809 | 169 |
| 1996 | 0.5508 | 164 |
| 1995 | 0.5276 | 163 |
| 1994 | 0.5598 | 157 |
| 1993 | 0.6753 | 150 |
| 1992 | 0.7365 | 142 |