| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 35.13 | 150 |
| 2015 | 35.12 | 151 |
| 2014 | 35.14 | 151 |
| 2013 | 34.9 | 152 |
| 2012 | 34.63 | 153 |
| 2011 | 34.35 | 152 |
| 2010 | 34.05 | 153 |
| 2009 | 33.72 | 155 |
| 2008 | 33.4 | 155 |
| 2007 | 33.07 | 155 |
| 2006 | 32.68 | 156 |
| 2005 | 32.54 | 154 |
| 2004 | 32.59 | 154 |
| 2003 | 32.6 | 155 |
| 2002 | 32.72 | 154 |
| 2001 | 32.83 | 154 |
| 2000 | 32.91 | 152 |
| 1999 | 33.14 | 149 |
| 1998 | 33.28 | 146 |
| 1997 | 33.44 | 145 |
| 1996 | 33.39 | 142 |
| 1995 | 33.24 | 141 |
| 1994 | 33.28 | 141 |
| 1993 | 33.24 | 139 |
| 1992 | 32.65 | 143 |
| 1991 | 32.05 | 146 |
| 1990 | 31.45 | 146 |