| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 46.27 | 126 |
| 2015 | 49.27 | 151 |
| 2014 | 47.7 | 163 |
| 2013 | 47.64 | 167 |
| 2012 | 47.98 | 166 |
| 2011 | 48.37 | 170 |
| 2010 | 50.36 | 160 |
| 2009 | 48.44 | 159 |
| 2008 | 53.38 | 164 |
| 2007 | 51.71 | 164 |
| 2006 | 54.73 | 155 |
| 2005 | 56.71 | 148 |
| 2004 | 56.58 | 146 |
| 2003 | 59.13 | 136 |
| 2002 | 59.71 | 133 |
| 2001 | 61.11 | 123 |
| 2000 | 68.09 | 109 |
| 1999 | 69.39 | 97 |
| 1998 | 55.77 | 119 |
| 1997 | 47.26 | 143 |
| 1996 | 47.92 | 135 |
| 1995 | 55.18 | 124 |
| 1994 | 50.95 | 120 |
| 1993 | 68.7 | 75 |
| 1992 | 110.58 | 28 |
| 1991 | 26.26 | 155 |
| 1990 | 36.11 | 138 |
| 1989 | 42.91 | 110 |