| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -.3 | 140 |
| 2015 | 0.95 | 114 |
| 2014 | 1.06 | 124 |
| 2013 | 2.12 | 91 |
| 2012 | 1.67 | 95 |
| 2011 | 3.5 | 71 |
| 2010 | 3.6 | 81 |
| 2009 | -3.05 | 126 |
| 2008 | -6.28 | 193 |
| 2007 | 2.51 | 135 |
| 2006 | -6.42 | 200 |
| 2005 | 1.02 | 153 |
| 2004 | -1.97 | 192 |
| 2003 | -.35 | 168 |
| 2002 | -2.73 | 179 |
| 2001 | -.38 | 155 |
| 2000 | -4.3 | 186 |
| 1999 | -11.17 | 193 |
| 1998 | 0.92 | 127 |
| 1997 | 3.12 | 84 |
| 1996 | 1.03 | 135 |
| 1995 | 2.32 | 94 |
| 1994 | 1.05 | 107 |
| 1993 | 1.24 | 84 |
| 1992 | -5.64 | 147 |
| 1991 | 3.29 | 39 |
| 1990 | 2.37 | 67 |
| 1989 | 5.6 | 31 |
| 1988 | 9.77 | 13 |
| 1987 | -19.4 | 160 |
| 1986 | -3.47 | 142 |