| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 38.16 | 136 |
| 2015 | 35.78 | 169 |
| 2014 | 41.31 | 172 |
| 2013 | 41.64 | 174 |
| 2012 | 46.42 | 167 |
| 2011 | 47.02 | 173 |
| 2010 | 48.1 | 164 |
| 2009 | 49.93 | 156 |
| 2008 | 47.42 | 171 |
| 2007 | 41.48 | 174 |
| 2006 | 54.15 | 158 |
| 2005 | 41.65 | 172 |
| 2004 | 31.58 | 181 |
| 2003 | 27.38 | 184 |
| 2002 | 21.67 | 185 |
| 2001 | 20.96 | 180 |
| 2000 | 22.55 | 180 |
| 1999 | 23.54 | 176 |
| 1998 | 27.44 | 174 |
| 1997 | 24.28 | 174 |
| 1996 | 21.57 | 175 |
| 1995 | 40.2 | 156 |
| 1994 | 38.75 | 152 |
| 1993 | 36.54 | 146 |
| 1992 | 38.23 | 138 |
| 1991 | 38.42 | 135 |
| 1990 | 35.65 | 140 |
| 1989 | 32.69 | 128 |
| 1988 | 38.54 | 110 |
| 1987 | 35.48 | 115 |
| 1986 | 34.04 | 113 |