| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.47 | 109 |
| 2015 | 60.21 | 132 |
| 2014 | 63.3 | 133 |
| 2013 | 70.09 | 126 |
| 2012 | 76.21 | 114 |
| 2011 | 100.55 | 75 |
| 2010 | 84.08 | 92 |
| 2009 | 58.06 | 138 |
| 2008 | 109.52 | 59 |
| 2007 | 84.17 | 102 |
| 2006 | 82.82 | 103 |
| 2005 | 76.04 | 107 |
| 2004 | 76.04 | 108 |
| 2003 | 70.45 | 107 |
| 2002 | 66.81 | 115 |
| 2001 | 67.9 | 105 |
| 2000 | 74.07 | 97 |
| 1999 | 70.92 | 92 |
| 1998 | 88.51 | 69 |
| 1997 | 82.21 | 76 |
| 1996 | 72.07 | 87 |
| 1995 | 79.16 | 72 |
| 1994 | 71.12 | 79 |
| 1993 | 63.17 | 86 |
| 1992 | 63.71 | 85 |
| 1991 | 51.05 | 104 |
| 1990 | 45.66 | 118 |
| 1989 | 45.06 | 105 |
| 1988 | 44.1 | 96 |
| 1987 | 45.29 | 97 |
| 1986 | 45.57 | 94 |