| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 34.53 | 148 |
| 2015 | 36.83 | 154 |
| 2014 | 42.04 | 147 |
| 2013 | 44.14 | 145 |
| 2012 | 44.47 | 151 |
| 2011 | 47.15 | 143 |
| 2010 | 40.78 | 152 |
| 2009 | 36.02 | 161 |
| 2008 | 42.81 | 163 |
| 2007 | 39 | 167 |
| 2006 | 38.76 | 167 |
| 2005 | 33.39 | 170 |
| 2004 | 31.24 | 175 |
| 2003 | 28.96 | 173 |
| 2002 | 26.94 | 171 |
| 2001 | 27.96 | 165 |
| 2000 | 28.62 | 166 |
| 1999 | 26.97 | 165 |
| 1998 | 25.24 | 169 |
| 1997 | 25.07 | 169 |
| 1996 | 24.29 | 172 |
| 1995 | 26.87 | 166 |
| 1994 | 22.32 | 167 |
| 1993 | 19.72 | 152 |
| 1992 | 18.39 | 149 |
| 1991 | 16.48 | 146 |
| 1990 | 16.74 | 146 |
| 1989 | 17.22 | 144 |
| 1988 | 16.3 | 143 |
| 1987 | 15.57 | 141 |
| 1986 | 15.73 | 138 |