| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 5.78 | 196 |
| 2015 | 5.81 | 197 |
| 2014 | 5.83 | 196 |
| 2013 | 5.86 | 196 |
| 2012 | 5.88 | 196 |
| 2011 | 5.9 | 197 |
| 2010 | 5.91 | 197 |
| 2009 | 5.93 | 198 |
| 2008 | 5.94 | 199 |
| 2007 | 5.96 | 199 |
| 2006 | 5.97 | 200 |
| 2005 | 5.98 | 200 |
| 2004 | 5.99 | 200 |
| 2003 | 6.03 | 200 |
| 2002 | 6.08 | 200 |
| 2001 | 6.25 | 200 |
| 2000 | 6.56 | 200 |
| 1999 | 6.89 | 200 |
| 1998 | 7.22 | 199 |
| 1997 | 7.58 | 198 |
| 1996 | 7.95 | 198 |
| 1995 | 8.34 | 198 |
| 1994 | 8.74 | 197 |
| 1993 | 9.16 | 197 |
| 1992 | 9.6 | 195 |
| 1991 | 9.6 | 195 |
| 1990 | 9.6 | 197 |
| 1989 | 9.6 | 195 |
| 1988 | 9.6 | 196 |
| 1987 | 9.6 | 197 |
| 1986 | 10.61 | 194 |