| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.73 | 197 |
| 2015 | -2.78 | 195 |
| 2014 | -2.82 | 194 |
| 2013 | -2.86 | 194 |
| 2012 | -2.88 | 194 |
| 2011 | -2.88 | 195 |
| 2010 | -2.76 | 197 |
| 2009 | -2.63 | 196 |
| 2008 | -2.53 | 196 |
| 2007 | -2.42 | 196 |
| 2006 | -2.32 | 196 |
| 2005 | -2.23 | 195 |
| 2004 | -2.14 | 195 |
| 2003 | -2 | 195 |
| 2002 | -1.81 | 193 |
| 2001 | -1.57 | 189 |
| 2000 | -.19 | 150 |
| 1999 | 0.03 | 138 |
| 1998 | 0.2 | 124 |
| 1997 | 0.32 | 122 |
| 1996 | 0.4 | 117 |
| 1995 | 0.48 | 112 |
| 1994 | 0.56 | 104 |
| 1993 | 0.62 | 109 |
| 1992 | 0.66 | 105 |
| 1991 | 0.7 | 112 |
| 1990 | 0.71 | 108 |
| 1989 | 0.72 | 111 |
| 1988 | 0.74 | 107 |
| 1987 | 0.8 | 110 |
| 1986 | 0.88 | 107 |