| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.737 | 100 |
| 2015 | 0.959 | 142 |
| 2014 | 7.777 | 18 |
| 2013 | 7.844 | 25 |
| 2012 | 10.266 | 16 |
| 2011 | 17.79 | 2 |
| 2010 | 6.649 | 55 |
| 2009 | 1.291 | 90 |
| 2008 | 16.825 | 4 |
| 2007 | 12.865 | 18 |
| 2006 | 7.644 | 54 |
| 2005 | 10.699 | 19 |
| 2004 | 3.433 | 118 |
| 2003 | 8.463 | 21 |
| 2002 | 10.797 | 11 |
| 2001 | 0.204 | 141 |
| 2000 | 4.434 | 90 |
| 1999 | 2.513 | 99 |
| 1998 | 0.841 | 131 |
| 1997 | 4.12 | 85 |
| 1996 | 5.549 | 48 |
| 1995 | -9.236 | 130 |
| 1994 | 1.222 | 93 |
| 1993 | -1.68 | 109 |
| 1992 | -12.718 | 124 |
| 1991 | -2.961 | 108 |
| 1990 | 27.674 | 4 |
| 1989 | -1.608 | 97 |
| 1988 | -8.039 | 108 |
| 1987 | 98.374 | 1 |
| 1986 | 215.965 | 1 |