| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.72 | 108 |
| 2015 | 1.73 | 108 |
| 2014 | 1.74 | 103 |
| 2013 | 1.74 | 105 |
| 2012 | 1.73 | 107 |
| 2011 | 1.73 | 106 |
| 2010 | 1.72 | 109 |
| 2009 | 1.71 | 113 |
| 2008 | 1.74 | 113 |
| 2007 | 1.8 | 108 |
| 2006 | 1.89 | 108 |
| 2005 | 1.99 | 103 |
| 2004 | 2.1 | 95 |
| 2003 | 2.3 | 88 |
| 2002 | 3 | 69 |
| 2001 | 3.08 | 65 |
| 2000 | 3.17 | 64 |
| 1999 | 3.27 | 62 |
| 1998 | 3.36 | 59 |
| 1997 | 3.43 | 61 |
| 1996 | 3.51 | 60 |
| 1995 | 3.57 | 55 |
| 1994 | 3.64 | 55 |
| 1993 | 3.74 | 55 |
| 1992 | 4 | 53 |
| 1991 | 4.09 | 58 |
| 1990 | 4.18 | 55 |
| 1989 | 4.27 | 55 |
| 1988 | 4.35 | 58 |
| 1987 | 4.42 | 61 |
| 1986 | 4.47 | 61 |