| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 37.06 | 140 |
| 2015 | 40.46 | 165 |
| 2014 | 45.65 | 166 |
| 2013 | 46.57 | 169 |
| 2012 | 48.11 | 165 |
| 2011 | 50.6 | 165 |
| 2010 | 48.89 | 162 |
| 2009 | 44.51 | 170 |
| 2008 | 56.96 | 152 |
| 2007 | 62.66 | 141 |
| 2006 | 65.62 | 136 |
| 2005 | 62.89 | 139 |
| 2004 | 60.22 | 139 |
| 2003 | 52.6 | 147 |
| 2002 | 43.09 | 159 |
| 2001 | 39.05 | 162 |
| 2000 | 39.75 | 160 |
| 1999 | 34.04 | 163 |
| 1998 | 32.84 | 167 |
| 1997 | 33.58 | 166 |
| 1996 | 34.54 | 166 |
| 1995 | 34.76 | 164 |
| 1994 | 36.52 | 155 |
| 1993 | 37.32 | 143 |
| 1992 | 30.62 | 153 |
| 1991 | 26.74 | 153 |
| 1990 | 24.68 | 150 |
| 1989 | 25.64 | 134 |
| 1988 | 30.42 | 126 |
| 1987 | 25.23 | 129 |
| 1986 | 19.95 | 129 |