| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 46.88 | 152 |
| 2015 | 45.51 | 154 |
| 2014 | 44.33 | 155 |
| 2013 | 43.53 | 157 |
| 2012 | 44.58 | 157 |
| 2011 | 46.6 | 152 |
| 2010 | 47.53 | 149 |
| 2009 | 48.58 | 146 |
| 2008 | 52.34 | 129 |
| 2007 | 53.41 | 124 |
| 2006 | 52.85 | 123 |
| 2005 | 51.65 | 127 |
| 2004 | 49.68 | 135 |
| 2003 | 48.61 | 143 |
| 2002 | 47.65 | 146 |
| 2001 | 47.09 | 150 |
| 2000 | 45.95 | 157 |
| 1999 | 44.26 | 164 |
| 1998 | 42.16 | 169 |
| 1997 | 40.85 | 174 |
| 1996 | 39.83 | 175 |
| 1995 | 39.28 | 176 |
| 1994 | 38.56 | 179 |
| 1993 | 39.48 | 175 |
| 1992 | 41.73 | 172 |
| 1991 | 42.87 | 171 |