| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.6 | 9 |
| 2015 | 1.62 | 9 |
| 2014 | 1.57 | 10 |
| 2013 | 1.58 | 10 |
| 2012 | 1.59 | 12 |
| 2011 | 1.6 | 10 |
| 2010 | 1.61 | 9 |
| 2009 | 1.62 | 10 |
| 2008 | 1.63 | 11 |
| 2007 | 1.64 | 10 |
| 2006 | 1.65 | 11 |
| 2005 | 1.66 | 8 |
| 2004 | 1.66 | 6 |
| 2003 | 1.66 | 8 |
| 2002 | 1.66 | 8 |
| 2001 | 1.66 | 10 |
| 2000 | 1.65 | 9 |
| 1999 | 1.63 | 11 |
| 1998 | 1.63 | 11 |
| 1997 | 1.61 | 10 |
| 1996 | 1.58 | 13 |
| 1995 | 1.58 | 12 |
| 1994 | 1.58 | 11 |
| 1993 | 1.57 | 12 |
| 1992 | 1.59 | 10 |
| 1991 | 1.61 | 13 |