| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -25.46 | 122 |
| 2015 | -55.35 | 150 |
| 2014 | 4.31 | 49 |
| 2013 | 20.79 | 8 |
| 2012 | 15.47 | 13 |
| 2011 | -3.65 | 146 |
| 2010 | 0.72 | 112 |
| 2009 | 26.28 | 9 |
| 2008 | 7.64 | 37 |
| 2005 | 10.28 | 24 |
| 2004 | -13.56 | 139 |
| 2003 | 12.97 | 13 |
| 2002 | 11.61 | 19 |
| 2001 | 8.36 | 26 |
| 2000 | 10.45 | 17 |
| 1999 | 22.22 | 5 |
| 1998 | -7.78 | 126 |
| 1997 | -12.66 | 132 |
| 1996 | 11.03 | 18 |
| 1995 | -8.88 | 115 |
| 1994 | -53.26 | 120 |
| 1993 | 6.17 | 29 |
| 1992 | 3.09 | 45 |
| 1991 | 9.9 | 16 |
| 1990 | -32.26 | 99 |
| 1989 | 19.87 | 4 |
| 1988 | -7.12 | 89 |
| 1987 | 10.8 | 11 |
| 1986 | 13.99 | 9 |