| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.53 | 132 |
| 2015 | 45.33 | 156 |
| 2014 | 49.09 | 160 |
| 2013 | 49.72 | 161 |
| 2012 | 55.06 | 156 |
| 2011 | 53.25 | 161 |
| 2010 | 51.7 | 157 |
| 2009 | 53.39 | 149 |
| 2008 | 65.21 | 137 |
| 2007 | 59.21 | 144 |
| 2006 | 61.97 | 139 |
| 2005 | 58.88 | 144 |
| 2004 | 61.48 | 138 |
| 2003 | 51.76 | 149 |
| 2002 | 40.03 | 167 |
| 2001 | 36.31 | 164 |
| 2000 | 36.71 | 162 |
| 1999 | 33.39 | 166 |
| 1998 | 35.64 | 163 |
| 1997 | 37.71 | 159 |
| 1996 | 39.53 | 158 |
| 1995 | 38.1 | 157 |
| 1994 | 40.15 | 149 |
| 1993 | 38.68 | 141 |
| 1992 | 40.07 | 135 |
| 1991 | 38.55 | 134 |
| 1990 | 41.63 | 128 |
| 1989 | 41.19 | 112 |
| 1988 | 39.79 | 107 |
| 1987 | 40.85 | 104 |
| 1986 | 46.48 | 92 |