| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.44 | 94 |
| 2015 | 0.31 | 134 |
| 2014 | 0.56 | 142 |
| 2013 | -.48 | 159 |
| 2012 | 0.25 | 141 |
| 2011 | -1.31 | 176 |
| 2010 | -2.5 | 181 |
| 2009 | -6.69 | 180 |
| 2008 | 4.11 | 64 |
| 2007 | 3.22 | 119 |
| 2006 | 2 | 142 |
| 2005 | 1.56 | 147 |
| 2004 | 2.16 | 136 |
| 2003 | 6.52 | 32 |
| 2002 | -15.3 | 197 |
| 2001 | 2.8 | 69 |
| 2000 | 1.54 | 134 |
| 1999 | 1.41 | 109 |
| 1998 | 0.7 | 132 |
| 1997 | 0.48 | 149 |
| 1996 | -.99 | 168 |
| 1995 | -1.37 | 152 |
| 1994 | -3.06 | 157 |
| 1993 | -.92 | 116 |
| 1992 | -1.76 | 120 |
| 1991 | -9.01 | 161 |
| 1990 | 0.2 | 101 |
| 1989 | 1.16 | 95 |
| 1988 | 0.53 | 111 |
| 1987 | -1.63 | 125 |
| 1986 | -.88 | 118 |