| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 4.4 | 36 |
| 2015 | 4.2 | 73 |
| 2014 | 4.6 | 58 |
| 2013 | 4.6 | 64 |
| 2012 | 5 | 59 |
| 2011 | 4.4 | 62 |
| 2010 | 4.7 | 77 |
| 2009 | 5.1 | 72 |
| 2008 | 3.5 | 68 |
| 2007 | 4.7 | 56 |
| 2006 | 5.8 | 34 |
| 2005 | 4.7 | 42 |
| 2004 | 4 | 62 |
| 2003 | 4.9 | 52 |
| 2002 | 5 | 47 |
| 2001 | 5.8 | 19 |
| 2000 | 2.9 | 71 |
| 1999 | 3.4 | 63 |
| 1998 | 2.4 | 86 |
| 1997 | 2.2 | 96 |
| 1996 | 2 | 94 |