| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.13 | 46 |
| 2015 | 0.63 | 148 |
| 2014 | 6.7 | 30 |
| 2013 | 3.1 | 100 |
| 2012 | 7.215 | 38 |
| 2011 | 3.394 | 100 |
| 2010 | 4.834 | 85 |
| 2009 | -4.13 | 159 |
| 2008 | 4.413 | 85 |
| 2007 | 12.826 | 19 |
| 2006 | 20.727 | 5 |
| 2005 | 15.733 | 2 |
| 2004 | 13.843 | 10 |
| 2003 | 12.887 | 6 |
| 2002 | 13.842 | 4 |
| 2001 | 9.695 | 13 |
| 2000 | -6.349 | 154 |
| 1999 | 5.103 | 52 |
| 1998 | 3.729 | 84 |
| 1997 | 5.041 | 67 |
| 1996 | 5.48 | 52 |
| 1995 | 15.674 | 2 |
| 1994 | 7.145 | 25 |
| 1993 | -22.689 | 130 |
| 1992 | 57.734 | 1 |
| 1991 | 0.77 | 85 |