| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.47 | 201 |
| 2015 | 4.59 | 201 |
| 2014 | 4.72 | 200 |
| 2013 | 4.86 | 200 |
| 2012 | 5.01 | 200 |
| 2011 | 5.17 | 201 |
| 2010 | 5.33 | 201 |
| 2009 | 5.51 | 201 |
| 2008 | 5.71 | 201 |
| 2007 | 5.91 | 201 |
| 2006 | 6.13 | 199 |
| 2005 | 6.36 | 198 |
| 2004 | 6.59 | 197 |
| 2003 | 6.84 | 197 |
| 2002 | 7.1 | 197 |
| 2001 | 7.36 | 197 |
| 2000 | 7.63 | 195 |
| 1999 | 7.92 | 195 |
| 1998 | 8.21 | 195 |
| 1997 | 8.51 | 196 |
| 1996 | 8.82 | 196 |
| 1995 | 9.05 | 196 |
| 1994 | 9.17 | 196 |
| 1993 | 9.28 | 196 |
| 1992 | 9.39 | 197 |
| 1991 | 9.5 | 197 |
| 1990 | 9.62 | 196 |
| 1989 | 9.74 | 194 |
| 1988 | 9.85 | 193 |
| 1987 | 9.97 | 194 |
| 1986 | 10.09 | 196 |