| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 40.9 | 169 |
| 2015 | 41.31 | 168 |
| 2014 | 40.23 | 169 |
| 2013 | 39.68 | 171 |
| 2012 | 38.2 | 177 |
| 2011 | 38.29 | 176 |
| 2010 | 38.13 | 177 |
| 2009 | 37.9 | 180 |
| 2008 | 36.79 | 182 |
| 2007 | 35.78 | 182 |
| 2006 | 34.89 | 183 |
| 2005 | 33.56 | 185 |
| 2004 | 32.73 | 184 |
| 2003 | 34.32 | 183 |
| 2002 | 36.68 | 181 |
| 2001 | 37.45 | 179 |
| 2000 | 36.52 | 181 |
| 1999 | 36.43 | 182 |
| 1998 | 35.61 | 183 |
| 1997 | 35.12 | 183 |
| 1996 | 35.66 | 183 |
| 1995 | 38.19 | 181 |
| 1994 | 38.17 | 180 |
| 1993 | 38.8 | 179 |
| 1992 | 38.54 | 179 |
| 1991 | 38.36 | 177 |