| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -.28 | 92 |
| 2015 | -.74 | 118 |
| 2014 | -.23 | 122 |
| 2013 | 12.97 | 8 |
| 2012 | 2.24 | 72 |
| 2011 | -.5 | 125 |
| 2010 | 3.61 | 52 |
| 2009 | -2.96 | 117 |
| 2008 | 5.57 | 42 |
| 2007 | 4.84 | 58 |
| 2006 | 60.44 | 1 |
| 2005 | -67.84 | 144 |
| 2004 | 72 | 1 |
| 2003 | 16.13 | 4 |
| 2002 | 123.12 | 1 |
| 2001 | 82.15 | 1 |
| 2000 | -28.6 | 128 |
| 1999 | -8.97 | 124 |
| 1998 | 45.04 | 1 |
| 1997 | 1.13 | 89 |
| 1996 | 89.18 | 1 |
| 1995 | 214.61 | 1 |
| 1994 | -34.79 | 114 |
| 1993 | -37.9 | 110 |
| 1992 | -2.43 | 78 |
| 1991 | 34.48 | 1 |
| 1990 | -26.45 | 91 |
| 1989 | -9.51 | 86 |
| 1988 | -4.46 | 77 |
| 1987 | 26.29 | 1 |
| 1986 | 1.04 | 54 |