| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 46.1 | 186 |
| 2015 | 45.63 | 186 |
| 2014 | 45.03 | 186 |
| 2013 | 44.75 | 186 |
| 2012 | 43.76 | 186 |
| 2011 | 45.83 | 186 |
| 2010 | 45.28 | 186 |
| 2009 | 46.51 | 186 |
| 2008 | 47.59 | 186 |
| 2007 | 47.97 | 186 |
| 2006 | 49.91 | 186 |
| 2005 | 50.36 | 186 |
| 2004 | 51.63 | 186 |
| 2003 | 54.22 | 186 |
| 2002 | 59.76 | 183 |
| 2001 | 61.3 | 179 |
| 2000 | 63.82 | 175 |
| 1999 | 65.29 | 171 |
| 1998 | 66.67 | 158 |
| 1997 | 67.97 | 154 |
| 1996 | 69.21 | 149 |
| 1995 | 70.39 | 143 |
| 1994 | 71.3 | 138 |
| 1993 | 72.13 | 132 |
| 1992 | 72.88 | 126 |
| 1991 | 73.56 | 126 |
| 1990 | 74.22 | 125 |