| 时间 |
值 （%） |
世界排名 |
| 2015 |
4.226 |
55 |
| 2014 |
5.49 |
50 |
| 2013 |
6.579 |
45 |
| 2012 |
7.675 |
42 |
| 2011 |
8.237 |
24 |
| 2010 |
8.648 |
25 |
| 2009 |
7.581 |
51 |
| 2008 |
9.37 |
31 |
| 2007 |
10.994 |
15 |
| 2006 |
9.518 |
24 |
| 2005 |
10.15 |
20 |
| 2004 |
10.167 |
22 |
| 2003 |
9.839 |
30 |
| 2002 |
9.542 |
33 |
| 2001 |
5.19 |
84 |
| 2000 |
1.256 |
145 |
| 1999 |
5.24 |
96 |
| 1998 |
9.82 |
59 |
| 1997 |
23.93 |
17 |