| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 13.59 | 181 |
| 2015 | 13.67 | 181 |
| 2014 | 13.84 | 181 |
| 2013 | 14.1 | 181 |
| 2012 | 13.38 | 181 |
| 2011 | 12.6 | 182 |
| 2010 | 11.59 | 183 |
| 2009 | 11.61 | 183 |
| 2008 | 11.05 | 185 |
| 2007 | 10.19 | 185 |
| 2006 | 10.26 | 184 |
| 2005 | 9.28 | 185 |
| 2004 | 8.49 | 185 |
| 2003 | 6.62 | 186 |
| 2002 | 5.87 | 186 |
| 2001 | 5.39 | 186 |
| 2000 | 4.7 | 186 |
| 1999 | 5.55 | 186 |
| 1998 | 5.56 | 186 |
| 1997 | 5.58 | 186 |
| 1996 | 4.6 | 186 |
| 1995 | 4.79 | 186 |
| 1994 | 5.45 | 186 |
| 1993 | 5.55 | 186 |
| 1992 | 5.43 | 186 |
| 1991 | 5.82 | 186 |