| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 37.65 | 167 |
| 2015 | 37.16 | 167 |
| 2014 | 36.68 | 164 |
| 2013 | 36.21 | 165 |
| 2012 | 35.75 | 164 |
| 2011 | 35.3 | 166 |
| 2010 | 34.86 | 165 |
| 2009 | 34.43 | 165 |
| 2008 | 34.01 | 165 |
| 2007 | 33.6 | 166 |
| 2006 | 33.2 | 165 |
| 2005 | 32.81 | 166 |
| 2004 | 32.43 | 167 |
| 2003 | 32.06 | 167 |
| 2002 | 31.7 | 167 |
| 2001 | 31.36 | 168 |
| 2000 | 31.02 | 168 |
| 1999 | 30.69 | 168 |
| 1998 | 30.37 | 169 |
| 1997 | 30.07 | 169 |
| 1996 | 29.77 | 168 |
| 1995 | 29.48 | 168 |
| 1994 | 29.18 | 170 |
| 1993 | 28.89 | 170 |
| 1992 | 28.6 | 169 |
| 1991 | 28.31 | 170 |
| 1990 | 28.03 | 169 |
| 1989 | 27.74 | 164 |
| 1988 | 27.46 | 164 |
| 1987 | 27.18 | 163 |
| 1986 | 26.9 | 162 |