| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.92 | 42 |
| 2015 | 1.93 | 50 |
| 2014 | 1.92 | 51 |
| 2013 | 1.87 | 54 |
| 2012 | 1.84 | 54 |
| 2011 | 1.82 | 48 |
| 2010 | 1.9 | 52 |
| 2009 | 2.07 | 50 |
| 2008 | 1.88 | 59 |
| 2007 | 1.91 | 58 |
| 2006 | 2.01 | 51 |
| 2005 | 2.01 | 55 |
| 2004 | 2.06 | 56 |
| 2003 | 2.12 | 60 |
| 2002 | 2.19 | 60 |
| 2001 | 2.08 | 58 |
| 2000 | 1.89 | 62 |
| 1999 | 1.92 | 61 |
| 1998 | 1.7 | 73 |
| 1997 | 1.67 | 78 |
| 1996 | 1.69 | 74 |
| 1995 | 1.72 | 78 |
| 1994 | 1.78 | 82 |
| 1993 | 2.03 | 73 |
| 1992 | 2.52 | 55 |
| 1991 | 2.41 | 58 |
| 1990 | 2.56 | 58 |
| 1989 | 2.5 | 58 |