| 时间 |
值 （%） |
世界排名 |
| 2016 |
9.88 |
61 |
| 2015 |
7.19 |
87 |
| 2014 |
8.65 |
85 |
| 2013 |
4.57 |
128 |
| 2012 |
9.42 |
87 |
| 2011 |
10.26 |
84 |
| 2010 |
12.87 |
76 |
| 2009 |
21.51 |
32 |
| 2008 |
9.67 |
111 |
| 2007 |
42.11 |
16 |
| 2006 |
38.69 |
23 |
| 2005 |
42.17 |
12 |
| 2004 |
31.93 |
21 |
| 2003 |
27.87 |
27 |
| 2002 |
52.76 |
5 |
| 2001 |
92.61 |
7 |
| 2000 |
160.81 |
3 |
| 1999 |
25.7 |
30 |
| 1998 |
32.97 |
14 |