| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 25.76 | 181 |
| 2015 | 26.26 | 182 |
| 2014 | 27.52 | 182 |
| 2013 | 27.45 | 181 |
| 2012 | 28.1 | 183 |
| 2011 | 27.6 | 183 |
| 2010 | 27.2 | 182 |
| 2009 | 24.1 | 179 |
| 2008 | 23.3 | 178 |
| 2007 | 28.93 | 183 |
| 2006 | 31.1 | 184 |
| 2005 | 21.55 | 177 |
| 2004 | 23.85 | 178 |
| 2003 | 19.56 | 170 |
| 2002 | 23.75 | 179 |
| 2001 | 27.91 | 181 |
| 2000 | 21.75 | 178 |
| 1999 | 21.08 | 177 |
| 1998 | 20.46 | 176 |
| 1997 | 19.89 | 171 |
| 1996 | 19.36 | 169 |
| 1995 | 18.86 | 168 |
| 1994 | 18.39 | 163 |
| 1993 | 17.98 | 162 |
| 1992 | 20.74 | 176 |
| 1991 | 17.55 | 161 |