| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 20.95 | 200 |
| 2015 | 20.72 | 200 |
| 2014 | 20.51 | 197 |
| 2013 | 20.32 | 197 |
| 2012 | 20.14 | 197 |
| 2011 | 19.97 | 198 |
| 2010 | 19.81 | 199 |
| 2009 | 19.67 | 198 |
| 2008 | 19.53 | 199 |
| 2007 | 19.41 | 199 |
| 2006 | 19.29 | 198 |
| 2005 | 19.17 | 198 |
| 2004 | 19.06 | 197 |
| 2003 | 18.94 | 197 |
| 2002 | 18.82 | 197 |
| 2001 | 18.7 | 196 |
| 2000 | 18.59 | 196 |
| 1999 | 18.47 | 196 |
| 1998 | 18.36 | 197 |
| 1997 | 18.06 | 196 |
| 1996 | 17.68 | 196 |
| 1995 | 17.31 | 196 |
| 1994 | 16.95 | 195 |
| 1993 | 16.59 | 196 |
| 1992 | 16.23 | 196 |
| 1991 | 15.89 | 197 |
| 1990 | 15.55 | 197 |
| 1989 | 15.21 | 196 |
| 1988 | 14.88 | 196 |
| 1987 | 14.56 | 195 |
| 1986 | 14.24 | 195 |