| 时间 | 值 （‰） | 世界排名 |
|---|---|---|
| 2016 | 29.65 | 18 |
| 2015 | 31.2 | 13 |
| 2014 | 32.6 | 12 |
| 2013 | 33.2 | 13 |
| 2012 | 32.54 | 16 |
| 2011 | 30.87 | 19 |
| 2010 | 28.62 | 30 |
| 2009 | 26.55 | 39 |
| 2008 | 25.08 | 47 |
| 2007 | 24.7 | 51 |
| 2006 | 25.21 | 51 |
| 2005 | 25.95 | 48 |
| 2004 | 26.53 | 40 |
| 2003 | 27.23 | 36 |
| 2002 | 27.96 | 32 |
| 2001 | 28.7 | 27 |
| 2000 | 29.6 | 23 |
| 1999 | 30.53 | 21 |
| 1998 | 31.17 | 16 |
| 1997 | 31.33 | 16 |
| 1996 | 31.06 | 21 |
| 1995 | 30.71 | 23 |
| 1994 | 30.32 | 27 |
| 1993 | 29.56 | 32 |
| 1992 | 28.32 | 43 |
| 1991 | 26.76 | 58 |
| 1990 | 24.85 | 70 |
| 1989 | 23.06 | 86 |
| 1988 | 21.96 | 90 |
| 1987 | 21.96 | 92 |
| 1986 | 22.85 | 89 |