| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.08 | 190 |
| 2015 | -2.04 | 190 |
| 2014 | -1.99 | 188 |
| 2013 | -1.95 | 187 |
| 2012 | -1.92 | 186 |
| 2011 | -1.9 | 187 |
| 2010 | -1.87 | 190 |
| 2009 | -1.78 | 189 |
| 2008 | -1.69 | 189 |
| 2007 | -1.58 | 189 |
| 2006 | -1.47 | 186 |
| 2005 | -1.35 | 181 |
| 2004 | -1.25 | 182 |
| 2003 | -1.12 | 180 |
| 2002 | -.98 | 177 |
| 2001 | -.81 | 174 |
| 2000 | 0.43 | 106 |
| 1999 | 0.89 | 87 |
| 1998 | 0.95 | 85 |
| 1997 | 0.93 | 90 |
| 1996 | 0.85 | 95 |
| 1995 | 0.75 | 100 |
| 1994 | 0.67 | 100 |
| 1993 | 0.66 | 105 |
| 1992 | 0.77 | 101 |
| 1991 | 0.95 | 97 |
| 1990 | 1.04 | 94 |
| 1989 | 1.21 | 92 |
| 1988 | 1.36 | 87 |
| 1987 | 1.44 | 86 |
| 1986 | 1.45 | 80 |