| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 54.3 | 147 |
| 2015 | 54.35 | 147 |
| 2014 | 54.4 | 147 |
| 2013 | 54.57 | 145 |
| 2012 | 54.7 | 145 |
| 2011 | 54.77 | 144 |
| 2010 | 54.87 | 146 |
| 2009 | 54.99 | 146 |
| 2008 | 54.99 | 147 |
| 2007 | 55.07 | 143 |
| 2006 | 55.64 | 141 |
| 2005 | 56.17 | 135 |
| 2004 | 56.49 | 135 |
| 2003 | 56.74 | 134 |
| 2002 | 56.96 | 137 |
| 2001 | 57.17 | 136 |
| 2000 | 57.39 | 133 |
| 1999 | 57.87 | 133 |
| 1998 | 58.36 | 131 |
| 1997 | 58.87 | 127 |
| 1996 | 59.36 | 120 |
| 1995 | 58.9 | 125 |
| 1994 | 58.4 | 131 |
| 1993 | 57.92 | 132 |
| 1992 | 57.44 | 132 |
| 1991 | 56.96 | 133 |
| 1990 | 56.48 | 137 |