| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 68.39 | 137 |
| 2015 | 68.53 | 136 |
| 2014 | 68.62 | 135 |
| 2013 | 68.87 | 133 |
| 2012 | 69.55 | 125 |
| 2011 | 69.38 | 129 |
| 2010 | 70 | 125 |
| 2009 | 70.46 | 123 |
| 2008 | 71.73 | 117 |
| 2007 | 70.81 | 121 |
| 2006 | 70.43 | 124 |
| 2005 | 70.51 | 123 |
| 2004 | 70.57 | 125 |
| 2003 | 70.75 | 128 |
| 2002 | 71.64 | 121 |
| 2001 | 71.82 | 121 |
| 2000 | 72.24 | 120 |
| 1999 | 72.12 | 122 |
| 1998 | 72.64 | 118 |
| 1997 | 71.97 | 125 |
| 1996 | 70.79 | 137 |
| 1995 | 69.43 | 151 |
| 1994 | 68.89 | 154 |
| 1993 | 68.46 | 159 |
| 1992 | 69.14 | 158 |
| 1991 | 69.29 | 159 |
| 1990 | 71.29 | 147 |