| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.21 | 103 |
| 2015 | 4.81 | 18 |
| 2014 | 4.72 | 24 |
| 2013 | 5.34 | 19 |
| 2012 | 1.12 | 117 |
| 2011 | 1.86 | 117 |
| 2010 | 2 | 112 |
| 2009 | -2.38 | 114 |
| 2008 | 0.01 | 149 |
| 2007 | -1.73 | 194 |
| 2006 | 1.16 | 168 |
| 2005 | 0.28 | 176 |
| 2004 | 5.08 | 64 |
| 2003 | 0.88 | 141 |
| 2002 | 3.01 | 67 |
| 2001 | 1.62 | 98 |
| 2000 | -2.27 | 177 |
| 1999 | 7.97 | 14 |
| 1998 | 0.36 | 141 |
| 1997 | -3.23 | 178 |
| 1996 | 3.6 | 70 |
| 1995 | 1.2 | 126 |
| 1994 | 3.64 | 56 |
| 1993 | 0.71 | 89 |
| 1992 | 4.81 | 37 |
| 1991 | -3.61 | 144 |
| 1990 | 5.22 | 27 |
| 1989 | 7.19 | 15 |
| 1988 | 0.79 | 108 |
| 1987 | -7.03 | 155 |
| 1986 | 6.72 | 19 |