| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 43.91 | 193 |
| 2015 | 42.65 | 193 |
| 2014 | 41.17 | 193 |
| 2013 | 39.58 | 193 |
| 2012 | 37.97 | 193 |
| 2011 | 36.45 | 194 |
| 2010 | 35.07 | 194 |
| 2009 | 33.72 | 194 |
| 2008 | 32.55 | 194 |
| 2007 | 31.5 | 194 |
| 2006 | 30.51 | 194 |
| 2005 | 29.55 | 194 |
| 2004 | 28.54 | 193 |
| 2003 | 27.58 | 193 |
| 2002 | 26.67 | 193 |
| 2001 | 25.78 | 191 |
| 2000 | 24.89 | 191 |
| 1999 | 24 | 187 |
| 1998 | 23.13 | 184 |
| 1997 | 22.26 | 181 |
| 1996 | 21.41 | 179 |
| 1995 | 20.58 | 175 |
| 1994 | 19.8 | 172 |
| 1993 | 19.04 | 169 |
| 1992 | 18.31 | 168 |
| 1991 | 17.64 | 168 |
| 1990 | 17.04 | 168 |
| 1989 | 16.48 | 164 |
| 1988 | 16 | 162 |
| 1987 | 15.58 | 160 |
| 1986 | 15.19 | 159 |