| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 28.621 | 73 |
| 2015 | 27.2568 | 78 |
| 2014 | 25.9589 | 78 |
| 2013 | 24.7228 | 78 |
| 2012 | 23.5467 | 78 |
| 2011 | 22.4243 | 77 |
| 2010 | 21.3564 | 77 |
| 2009 | 20.3395 | 78 |
| 2008 | 19.3719 | 80 |
| 2007 | 18.4485 | 82 |
| 2006 | 17.57 | 83 |
| 2005 | 16.7333 | 83 |
| 2004 | 15.9372 | 81 |
| 2003 | 15.1046 | 82 |
| 2002 | 14.2513 | 82 |
| 2001 | 13.3719 | 82 |
| 2000 | 12.6844 | 83 |
| 1999 | 11.8093 | 80 |
| 1998 | 10.5819 | 89 |
| 1997 | 9.4481 | 90 |
| 1996 | 8.4355 | 90 |
| 1995 | 7.5456 | 94 |
| 1994 | 6.7229 | 93 |
| 1993 | 5.6204 | 93 |
| 1992 | 5 | 89 |
| 1991 | 4.2708 | 88 |
| 1990 | 0.1409 | 147 |
| 1989 | 0.0031 | 149 |
| 1988 | 0.0001 | 155 |
| 1987 | 0 | 156 |
| 1986 | 0 | 156 |