| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 54.47 | 126 |
| 2015 | 53.74 | 127 |
| 2014 | 53 | 129 |
| 2013 | 52.25 | 129 |
| 2012 | 51.49 | 130 |
| 2011 | 50.71 | 129 |
| 2010 | 49.92 | 130 |
| 2009 | 49.12 | 130 |
| 2008 | 48.33 | 131 |
| 2007 | 47.53 | 132 |
| 2006 | 46.73 | 132 |
| 2005 | 45.94 | 135 |
| 2004 | 45.15 | 137 |
| 2003 | 44.35 | 137 |
| 2002 | 43.57 | 136 |
| 2001 | 42.78 | 138 |
| 2000 | 42 | 139 |
| 1999 | 40.79 | 140 |
| 1998 | 39.59 | 141 |
| 1997 | 38.41 | 143 |
| 1996 | 37.24 | 145 |
| 1995 | 36.08 | 148 |
| 1994 | 34.93 | 148 |
| 1993 | 33.81 | 152 |
| 1992 | 32.7 | 153 |
| 1991 | 31.61 | 153 |
| 1990 | 30.58 | 157 |
| 1989 | 29.65 | 157 |
| 1988 | 28.74 | 160 |
| 1987 | 27.84 | 160 |
| 1986 | 26.95 | 161 |