| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.49 | 18 |
| 2015 | 2.48 | 19 |
| 2014 | 2.58 | 17 |
| 2013 | 2.59 | 17 |
| 2012 | 2.59 | 20 |
| 2011 | 2.6 | 15 |
| 2010 | 2.37 | 12 |
| 2009 | 2.4 | 16 |
| 2008 | 2.38 | 18 |
| 2007 | 2.44 | 18 |
| 2006 | 2.49 | 17 |
| 2005 | 2.56 | 18 |
| 2004 | 2.62 | 18 |
| 2003 | 2.6 | 16 |
| 2002 | 2.57 | 16 |
| 2001 | 2.7 | 22 |
| 2000 | 2.86 | 25 |
| 1999 | 2.61 | 21 |
| 1998 | 2.63 | 16 |
| 1997 | 2.63 | 24 |
| 1996 | 2.63 | 21 |
| 1995 | 2.66 | 21 |
| 1994 | 2.65 | 21 |
| 1993 | 2.67 | 21 |
| 1992 | 2.7 | 22 |
| 1991 | 2.71 | 29 |