| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 12.63 | 180 |
| 2015 | 12.84 | 180 |
| 2014 | 13.08 | 179 |
| 2013 | 13.34 | 179 |
| 2012 | 13.63 | 178 |
| 2011 | 13.95 | 178 |
| 2010 | 14.3 | 178 |
| 2009 | 14.69 | 178 |
| 2008 | 15.1 | 178 |
| 2007 | 15.56 | 177 |
| 2006 | 16.05 | 178 |
| 2005 | 16.58 | 178 |
| 2004 | 17.15 | 178 |
| 2003 | 17.77 | 176 |
| 2002 | 18.44 | 174 |
| 2001 | 19.15 | 175 |
| 2000 | 19.92 | 174 |
| 1999 | 20.74 | 171 |
| 1998 | 21.62 | 168 |
| 1997 | 22.56 | 167 |
| 1996 | 23.57 | 167 |
| 1995 | 24.64 | 164 |
| 1994 | 25.79 | 162 |
| 1993 | 27 | 157 |
| 1992 | 28.25 | 155 |
| 1991 | 29.54 | 154 |
| 1990 | 30.86 | 151 |
| 1989 | 32.21 | 147 |
| 1988 | 33.59 | 143 |
| 1987 | 35 | 137 |
| 1986 | 36.29 | 137 |