| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.43 | 121 |
| 2015 | 1.41 | 117 |
| 2014 | 1.4 | 116 |
| 2013 | 1.42 | 118 |
| 2012 | 1.48 | 118 |
| 2011 | 1.57 | 112 |
| 2010 | 1.68 | 111 |
| 2009 | 1.78 | 109 |
| 2008 | 1.79 | 111 |
| 2007 | 1.67 | 117 |
| 2006 | 1.46 | 127 |
| 2005 | 1.21 | 135 |
| 2004 | 1.01 | 143 |
| 2003 | 0.92 | 150 |
| 2002 | 0.99 | 147 |
| 2001 | 1.18 | 137 |
| 2000 | 1.41 | 130 |
| 1999 | 1.6 | 117 |
| 1998 | 1.77 | 110 |
| 1997 | 2.03 | 104 |
| 1996 | 2.86 | 78 |
| 1995 | 3.01 | 74 |
| 1994 | 3.16 | 71 |
| 1993 | 3.18 | 73 |
| 1992 | 3.04 | 80 |
| 1991 | 2.77 | 96 |
| 1990 | 2.41 | 111 |
| 1989 | 2.11 | 123 |
| 1988 | 2.07 | 130 |
| 1987 | 2.11 | 130 |
| 1986 | 1.36 | 154 |