| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 61.22 | 148 |
| 2015 | 60.5 | 148 |
| 2014 | 59.8 | 148 |
| 2013 | 58.7 | 153 |
| 2012 | 58.73 | 155 |
| 2011 | 58.74 | 156 |
| 2010 | 58.32 | 156 |
| 2009 | 58.82 | 157 |
| 2008 | 58.96 | 161 |
| 2007 | 56.58 | 170 |
| 2006 | 54.14 | 172 |
| 2005 | 52.09 | 177 |
| 2004 | 50.48 | 178 |
| 2003 | 50.18 | 179 |
| 2002 | 50.15 | 180 |
| 2001 | 52.31 | 176 |
| 2000 | 53.98 | 175 |
| 1999 | 55.83 | 173 |
| 1998 | 59.17 | 159 |
| 1997 | 59.19 | 161 |
| 1996 | 58.46 | 164 |
| 1995 | 58.39 | 166 |
| 1994 | 58.75 | 164 |
| 1993 | 60.41 | 158 |
| 1992 | 61.36 | 154 |
| 1991 | 63.46 | 148 |