| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 59.68 | 141 |
| 2015 | 61.14 | 142 |
| 2014 | 62.81 | 144 |
| 2013 | 64.45 | 147 |
| 2012 | 66.09 | 148 |
| 2011 | 67.86 | 150 |
| 2010 | 69.87 | 151 |
| 2009 | 71.7 | 151 |
| 2008 | 73.65 | 152 |
| 2007 | 75.61 | 156 |
| 2006 | 77.4 | 159 |
| 2005 | 78.87 | 161 |
| 2004 | 80.12 | 161 |
| 2003 | 81.08 | 162 |
| 2002 | 81.85 | 163 |
| 2001 | 82.65 | 162 |
| 2000 | 83.64 | 162 |
| 1999 | 84.39 | 163 |
| 1998 | 85.31 | 163 |
| 1997 | 86.3 | 163 |
| 1996 | 87.12 | 164 |
| 1995 | 87.63 | 165 |
| 1994 | 88.38 | 165 |
| 1993 | 88.91 | 164 |
| 1992 | 89.29 | 162 |
| 1991 | 89.69 | 164 |
| 1990 | 90.28 | 166 |
| 1989 | 90.85 | 164 |
| 1988 | 91.42 | 164 |
| 1987 | 91.92 | 168 |
| 1986 | 92.21 | 168 |