| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 35.74 | 170 |
| 2015 | 35.11 | 171 |
| 2014 | 34.47 | 168 |
| 2013 | 33.83 | 168 |
| 2012 | 33.2 | 169 |
| 2011 | 32.56 | 170 |
| 2010 | 31.93 | 171 |
| 2009 | 31.3 | 172 |
| 2008 | 30.67 | 173 |
| 2007 | 30.04 | 173 |
| 2006 | 29.43 | 175 |
| 2005 | 28.81 | 177 |
| 2004 | 28.21 | 178 |
| 2003 | 27.94 | 178 |
| 2002 | 27.66 | 177 |
| 2001 | 27.39 | 177 |
| 2000 | 27.12 | 177 |
| 1999 | 26.85 | 177 |
| 1998 | 26.59 | 178 |
| 1997 | 26.32 | 178 |
| 1996 | 26.06 | 176 |
| 1995 | 25.8 | 176 |
| 1994 | 25.54 | 178 |
| 1993 | 25.25 | 178 |
| 1992 | 24.68 | 179 |
| 1991 | 24.12 | 179 |
| 1990 | 23.57 | 179 |
| 1989 | 23.02 | 177 |
| 1988 | 22.49 | 178 |
| 1987 | 21.96 | 179 |
| 1986 | 21.44 | 179 |