| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 33.97 | 122 |
| 2015 | 34.03 | 122 |
| 2014 | 34.08 | 121 |
| 2013 | 34.12 | 122 |
| 2012 | 34.14 | 123 |
| 2011 | 34.14 | 124 |
| 2010 | 34.15 | 124 |
| 2009 | 34.15 | 125 |
| 2008 | 34.16 | 127 |
| 2007 | 34.17 | 129 |
| 2006 | 34.17 | 129 |
| 2005 | 34.18 | 130 |
| 2004 | 34.18 | 131 |
| 2003 | 34.19 | 133 |
| 2002 | 34.19 | 135 |
| 2001 | 34.2 | 136 |
| 2000 | 34.2 | 136 |
| 1999 | 34.2 | 136 |
| 1998 | 34.2 | 136 |
| 1997 | 34.2 | 136 |
| 1996 | 34.2 | 136 |
| 1995 | 34.2 | 135 |
| 1994 | 34.2 | 135 |
| 1993 | 34.2 | 135 |
| 1992 | 34.2 | 136 |
| 1991 | 34.2 | 137 |
| 1990 | 34.24 | 136 |
| 1989 | 34.28 | 138 |
| 1988 | 34.31 | 139 |
| 1987 | 34.35 | 142 |
| 1986 | 34.39 | 143 |