| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 27.53 | 162 |
| 2015 | 31.27 | 167 |
| 2014 | 38.6 | 163 |
| 2013 | 42.02 | 153 |
| 2012 | 43.03 | 155 |
| 2011 | 42.09 | 163 |
| 2010 | 34.8 | 170 |
| 2009 | 31.88 | 172 |
| 2008 | 43.46 | 160 |
| 2007 | 31.6 | 183 |
| 2006 | 32.62 | 181 |
| 2005 | 29.98 | 177 |
| 2004 | 25.21 | 184 |
| 2003 | 21.93 | 183 |
| 2002 | 20.82 | 182 |
| 2001 | 19.57 | 182 |
| 2000 | 20.32 | 180 |
| 1999 | 18.26 | 180 |
| 1998 | 18.38 | 180 |
| 1997 | 18.63 | 178 |
| 1996 | 18.33 | 179 |
| 1995 | 18.38 | 177 |
| 1994 | 16.06 | 171 |
| 1993 | 16.1 | 155 |
| 1992 | 15.19 | 155 |
| 1991 | 14.32 | 151 |
| 1990 | 13.12 | 150 |
| 1989 | 12.46 | 149 |
| 1988 | 11.1 | 150 |
| 1987 | 10.16 | 147 |
| 1986 | 10.1 | 145 |