| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.66 | 112 |
| 2015 | 1.71 | 109 |
| 2014 | 1.75 | 102 |
| 2013 | 1.77 | 100 |
| 2012 | 1.78 | 103 |
| 2011 | 1.77 | 105 |
| 2010 | 1.75 | 106 |
| 2009 | 1.73 | 112 |
| 2008 | 1.73 | 114 |
| 2007 | 1.72 | 113 |
| 2006 | 1.74 | 115 |
| 2005 | 1.75 | 113 |
| 2004 | 1.77 | 110 |
| 2003 | 1.8 | 113 |
| 2002 | 1.83 | 111 |
| 2001 | 1.88 | 112 |
| 2000 | 1.94 | 105 |
| 1999 | 2 | 101 |
| 1998 | 2.07 | 100 |
| 1997 | 2.16 | 100 |
| 1996 | 2.26 | 97 |
| 1995 | 2.37 | 95 |
| 1994 | 2.47 | 94 |
| 1993 | 2.51 | 99 |
| 1992 | 2.59 | 96 |
| 1991 | 2.65 | 102 |
| 1990 | 2.7 | 96 |
| 1989 | 2.76 | 102 |
| 1988 | 2.82 | 100 |
| 1987 | 2.86 | 103 |
| 1986 | 2.9 | 104 |