| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 12.42 | 39 |
| 2015 | 20.62 | 16 |
| 2014 | 3.66 | 133 |
| 2013 | 17.14 | 38 |
| 2012 | 10.25 | 79 |
| 2011 | 17.36 | 41 |
| 2010 | 14.8 | 64 |
| 2009 | 14.51 | 63 |
| 2008 | 14.09 | 87 |
| 2007 | 20.94 | 65 |
| 2006 | 23.76 | 52 |
| 2005 | 2.6 | 155 |
| 2004 | 19.5 | 54 |
| 2003 | 13.27 | 81 |
| 2002 | -2.68 | 151 |
| 2001 | -9.06 | 154 |
| 2000 | 15.37 | 70 |
| 1999 | 8.38 | 116 |
| 1998 | 0.07 | 136 |
| 1997 | 5.26 | 130 |
| 1996 | -6.35 | 152 |
| 1995 | 22.27 | 54 |
| 1994 | 44.29 | 30 |
| 1993 | -16.19 | 136 |
| 1992 | -18 | 133 |
| 1991 | 3.14 | 107 |
| 1990 | 9.53 | 86 |
| 1989 | 1.12 | 119 |
| 1988 | -11.91 | 122 |
| 1987 | -1.01 | 114 |
| 1986 | 15.56 | 58 |