| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 40.1 | 66 |
| 2015 | 37.7 | 67 |
| 2014 | 22.1 | 77 |
| 2013 | 14.4 | 82 |
| 2012 | 75.8 | 61 |
| 2011 | 80.9 | 60 |
| 2010 | 69.3 | 62 |
| 2009 | 63.2 | 59 |
| 2008 | 63.4 | 62 |
| 2007 | 18 | 79 |
| 2006 | 43.8 | 67 |
| 2005 | 39.3 | 67 |
| 2004 | 23.7 | 84 |
| 2003 | 18.4 | 90 |
| 2002 | 11.3 | 97 |
| 2001 | 11.5 | 98 |
| 2000 | 12.2 | 108 |
| 1999 | 13.2 | 104 |
| 1998 | 27.4 | 80 |
| 1997 | 11.8 | 106 |
| 1996 | 16.5 | 93 |
| 1995 | 23 | 82 |
| 1994 | 20.9 | 83 |
| 1993 | 7.7 | 108 |
| 1992 | 32.7 | 66 |