| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 11.58 | 145 |
| 2015 | 11.96 | 145 |
| 2014 | 12.35 | 144 |
| 2013 | 14.56 | 153 |
| 2012 | 15.04 | 157 |
| 2011 | 15.06 | 157 |
| 2010 | 16.3 | 161 |
| 2009 | 16.84 | 167 |
| 2008 | 16.47 | 169 |
| 2007 | 13.28 | 156 |
| 2006 | 13.6 | 153 |
| 2005 | 13.81 | 151 |
| 2004 | 12.62 | 144 |
| 2003 | 11.51 | 133 |
| 2002 | 12.59 | 138 |
| 2001 | 11.16 | 131 |
| 2000 | 10.82 | 121 |
| 1999 | 13.8 | 146 |
| 1998 | 14.5 | 155 |
| 1997 | 12.35 | 136 |
| 1996 | 12.42 | 136 |
| 1995 | 11.13 | 130 |
| 1994 | 12.47 | 135 |
| 1993 | 12.08 | 131 |
| 1992 | 12.12 | 133 |
| 1991 | 12.33 | 138 |