| 时间 |
值 （%） |
世界排名 |
| 2016 |
5.238 |
106 |
| 2015 |
5.789 |
101 |
| 2014 |
6.642 |
102 |
| 2013 |
7.036 |
102 |
| 2012 |
7.329 |
102 |
| 2011 |
7.432 |
103 |
| 2010 |
7.888 |
101 |
| 2009 |
7.933 |
109 |
| 2008 |
6.978 |
124 |
| 2007 |
7.173 |
131 |
| 2006 |
8.014 |
110 |
| 2005 |
9.613 |
96 |
| 2004 |
10.282 |
88 |
| 2003 |
10.87 |
92 |
| 2002 |
12.696 |
79 |
| 2000 |
30.5 |
18 |
| 1999 |
41.221 |
12 |
| 1998 |
73.5 |
2 |