| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 39.65 | 163 |
| 2015 | 38.61 | 166 |
| 2014 | 37.55 | 163 |
| 2013 | 36.47 | 163 |
| 2012 | 35.37 | 167 |
| 2011 | 34.25 | 167 |
| 2010 | 33.12 | 168 |
| 2009 | 31.99 | 170 |
| 2008 | 30.84 | 172 |
| 2007 | 29.69 | 177 |
| 2006 | 28.54 | 178 |
| 2005 | 27.39 | 180 |
| 2004 | 26.24 | 182 |
| 2003 | 25.13 | 185 |
| 2002 | 24.04 | 185 |
| 2001 | 22.99 | 186 |
| 2000 | 21.98 | 190 |
| 1999 | 20.99 | 192 |
| 1998 | 20.04 | 193 |
| 1997 | 19.12 | 193 |
| 1996 | 18.23 | 195 |
| 1995 | 17.38 | 195 |
| 1994 | 16.85 | 196 |
| 1993 | 16.49 | 197 |
| 1992 | 16.13 | 197 |
| 1991 | 15.78 | 198 |
| 1990 | 15.44 | 198 |
| 1989 | 15.1 | 197 |
| 1988 | 14.77 | 197 |
| 1987 | 14.44 | 196 |
| 1986 | 14.12 | 197 |