| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 51.76 | 161 |
| 2015 | 51.69 | 162 |
| 2014 | 51.83 | 161 |
| 2013 | 52.25 | 157 |
| 2012 | 52.61 | 155 |
| 2011 | 52.96 | 154 |
| 2010 | 53.69 | 154 |
| 2009 | 53.53 | 154 |
| 2008 | 53.1 | 157 |
| 2007 | 53.09 | 157 |
| 2006 | 53.19 | 155 |
| 2005 | 52.89 | 154 |
| 2004 | 52.96 | 150 |
| 2003 | 52.41 | 153 |
| 2002 | 52.01 | 157 |
| 2001 | 51.62 | 158 |
| 2000 | 52.56 | 157 |
| 1999 | 52.63 | 155 |
| 1998 | 52.35 | 155 |
| 1997 | 51.48 | 160 |
| 1996 | 51.69 | 158 |
| 1995 | 51.05 | 161 |
| 1994 | 50.62 | 165 |
| 1993 | 50.21 | 167 |
| 1992 | 50.22 | 168 |
| 1991 | 49.57 | 170 |
| 1990 | 51.01 | 162 |