| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.066 | 131 |
| 2015 | 38.082 | 161 |
| 2014 | 25.749 | 170 |
| 2013 | 23.622 | 176 |
| 2012 | 21.307 | 176 |
| 2011 | 19.991 | 177 |
| 2010 | 20.792 | 178 |
| 2009 | 24.377 | 174 |
| 2008 | 18.909 | 175 |
| 2007 | 22.432 | 175 |
| 2006 | 20.539 | 174 |
| 2005 | 23.574 | 173 |
| 2004 | 28.626 | 170 |
| 2003 | 32.552 | 166 |
| 2002 | 30.419 | 167 |
| 2001 | 28.712 | 166 |
| 2000 | 22.543 | 164 |
| 1999 | 30.373 | 153 |
| 1998 | 42.988 | 129 |
| 1997 | 33.997 | 148 |
| 1996 | 39.171 | 131 |
| 1995 | 44.679 | 118 |
| 1994 | 44.202 | 101 |
| 1993 | 53.453 | 60 |
| 1992 | 52.962 | 60 |
| 1991 | 52.647 | 53 |
| 1990 | 46.496 | 72 |
| 1989 | 49.086 | 54 |
| 1988 | 56.217 | 31 |
| 1987 | 52.274 | 47 |
| 1986 | 55.264 | 32 |