| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -5.92 | 138 |
| 2015 | 1.266 | 135 |
| 2014 | 7.274 | 23 |
| 2013 | 8.687 | 14 |
| 2012 | 3.994 | 89 |
| 2011 | 3.003 | 112 |
| 2010 | 2.971 | 113 |
| 2009 | 2.965 | 64 |
| 2008 | 3.334 | 108 |
| 2007 | 4.063 | 132 |
| 2006 | 4.265 | 117 |
| 2005 | 5.398 | 85 |
| 2004 | 10.692 | 20 |
| 2003 | 4.693 | 71 |
| 2002 | 3.148 | 94 |
| 2001 | 1.492 | 128 |
| 2000 | -15.998 | 157 |
| 1999 | 2.284 | 103 |
| 1998 | 3.034 | 98 |
| 1997 | -.046 | 138 |
| 1996 | 3.382 | 86 |
| 1995 | 10.941 | 8 |
| 1994 | -2.253 | 112 |
| 1993 | 7.656 | 21 |
| 1992 | 12.299 | 8 |
| 1991 | -1.055 | 102 |
| 1990 | 32.657 | 2 |
| 1989 | 10.761 | 10 |
| 1988 | -1.802 | 103 |
| 1987 | 3.171 | 71 |
| 1986 | -5.946 | 103 |