| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 28.41 | 175 |
| 2015 | 27.32 | 173 |
| 2014 | 26.3 | 172 |
| 2013 | 25.19 | 172 |
| 2012 | 24.11 | 171 |
| 2011 | 23.18 | 170 |
| 2010 | 22.45 | 169 |
| 2009 | 21.52 | 167 |
| 2008 | 20.84 | 165 |
| 2007 | 20.37 | 163 |
| 2006 | 20.03 | 163 |
| 2005 | 19.7 | 162 |
| 2004 | 19.32 | 161 |
| 2003 | 18.96 | 161 |
| 2002 | 18.62 | 160 |
| 2001 | 18.31 | 158 |
| 2000 | 18.02 | 158 |
| 1999 | 17.85 | 157 |
| 1998 | 17.67 | 156 |
| 1997 | 17.49 | 156 |
| 1996 | 17.31 | 156 |
| 1995 | 17.14 | 156 |
| 1994 | 16.91 | 155 |
| 1993 | 16.7 | 156 |
| 1992 | 16.49 | 157 |
| 1991 | 16.26 | 159 |
| 1990 | 15.98 | 160 |
| 1989 | 15.77 | 159 |
| 1988 | 15.51 | 158 |
| 1987 | 15.23 | 158 |
| 1986 | 14.96 | 157 |