| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.659 | 78 |
| 2015 | 3.677 | 74 |
| 2014 | 6.139 | 36 |
| 2013 | 6.186 | 45 |
| 2012 | 5.152 | 64 |
| 2011 | 3.179 | 106 |
| 2010 | 6.134 | 61 |
| 2009 | 6.295 | 28 |
| 2008 | 7.355 | 43 |
| 2007 | 3.806 | 134 |
| 2006 | 5.158 | 99 |
| 2005 | 3.09 | 124 |
| 2004 | 5.274 | 81 |
| 2003 | 4.442 | 80 |
| 2002 | -2.588 | 158 |
| 2001 | 5.716 | 42 |
| 2000 | 6.208 | 41 |
| 1999 | 5.271 | 48 |
| 1998 | 5.82 | 35 |
| 1997 | 4.934 | 71 |
| 1996 | 5.569 | 46 |
| 1995 | 5.106 | 47 |
| 1994 | 7.311 | 23 |
| 1993 | 6.497 | 31 |
| 1992 | 6.573 | 32 |
| 1991 | 9.536 | 8 |
| 1990 | 3.501 | 62 |
| 1989 | 4.069 | 53 |
| 1988 | 6.697 | 26 |
| 1987 | 4.271 | 49 |
| 1986 | 5.14 | 33 |