| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 3.24 | 75 |
| 2015 | 3.2 | 85 |
| 2014 | 1.38 | 147 |
| 2013 | -1.71 | 181 |
| 2012 | -2.93 | 188 |
| 2011 | -1 | 183 |
| 2010 | 0.01 | 176 |
| 2009 | -3.57 | 147 |
| 2008 | 1.12 | 152 |
| 2007 | 3.77 | 135 |
| 2006 | 4.17 | 136 |
| 2005 | 3.72 | 127 |
| 2004 | 3.17 | 150 |
| 2003 | 3.19 | 124 |
| 2002 | 2.88 | 112 |
| 2001 | 4 | 72 |
| 2000 | 5.29 | 76 |
| 1999 | 4.48 | 63 |
| 1998 | 4.31 | 80 |
| 1997 | 3.69 | 116 |
| 1996 | 2.67 | 129 |
| 1995 | 2.76 | 119 |
| 1994 | 2.38 | 118 |
| 1993 | -1.03 | 146 |
| 1992 | 0.93 | 106 |
| 1991 | 2.55 | 83 |
| 1990 | 3.78 | 74 |
| 1989 | 4.83 | 58 |
| 1988 | 5.09 | 77 |
| 1987 | 5.55 | 50 |
| 1986 | 3.25 | 86 |