| 时间 |
值 （%） |
世界排名 |
| 2016 |
5.43 |
27 |
| 2015 |
5.25 |
39 |
| 2014 |
7 |
27 |
| 2013 |
8.11 |
20 |
| 2012 |
10.64 |
20 |
| 2011 |
14.32 |
16 |
| 2010 |
13.34 |
7 |
| 2009 |
16.96 |
4 |
| 2008 |
31.99 |
3 |
| 2007 |
18.55 |
5 |
| 2006 |
23.08 |
4 |
| 2005 |
17.15 |
9 |
| 2004 |
13.29 |
16 |
| 2003 |
9.79 |
36 |
| 2002 |
10.13 |
34 |
| 2001 |
9.22 |
31 |
| 2000 |
12.21 |
25 |
| 1999 |
12.73 |
26 |
| 1998 |
50.49 |
8 |
| 1997 |
35.82 |
11 |