| 时间 |
值 （%） |
世界排名 |
| 2014 |
14.81 |
33 |
| 2013 |
17.07 |
21 |
| 2012 |
18.2 |
19 |
| 2011 |
17.17 |
20 |
| 2010 |
17.3 |
24 |
| 2009 |
11.78 |
67 |
| 2008 |
16.127 |
38 |
| 2007 |
11.13 |
77 |
| 2006 |
16.56 |
33 |
| 2005 |
16.832 |
40 |
| 2004 |
15.527 |
48 |
| 2003 |
15.481 |
53 |
| 2002 |
19.715 |
34 |
| 2001 |
34.5 |
12 |
| 2000 |
6.3 |
137 |
| 1999 |
46.061 |
10 |
| 1998 |
60.861 |
4 |
| 1997 |
77.97 |
4 |