| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 42.74 | 130 |
| 2015 | 47.19 | 154 |
| 2014 | 50.59 | 154 |
| 2013 | 39.46 | 178 |
| 2012 | 33.21 | 180 |
| 2011 | 33.28 | 184 |
| 2010 | 38.32 | 179 |
| 2009 | 33.92 | 182 |
| 2008 | 34.44 | 183 |
| 2007 | 37.57 | 181 |
| 2006 | 36.4 | 183 |
| 2005 | 34.73 | 182 |
| 2004 | 33.24 | 180 |
| 2003 | 36.23 | 176 |
| 2002 | 36.11 | 172 |
| 2001 | 39.73 | 161 |
| 2000 | 45.66 | 152 |
| 1999 | 43.21 | 148 |
| 1998 | 51.05 | 130 |
| 1997 | 55.82 | 123 |
| 1996 | 47.08 | 137 |
| 1995 | 50.48 | 132 |
| 1994 | 48.42 | 132 |
| 1993 | 39.99 | 136 |
| 1992 | 43.23 | 128 |
| 1991 | 43.71 | 125 |
| 1990 | 42.94 | 123 |
| 1989 | 46.77 | 99 |
| 1988 | 42.8 | 99 |
| 1987 | 46.39 | 90 |
| 1986 | 46.81 | 91 |