| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 52.9 | 128 |
| 2015 | 52.54 | 130 |
| 2014 | 51.95 | 131 |
| 2013 | 52.72 | 126 |
| 2012 | 51.85 | 127 |
| 2011 | 51.43 | 129 |
| 2010 | 49.88 | 139 |
| 2009 | 48.2 | 149 |
| 2008 | 48.97 | 143 |
| 2007 | 48.42 | 148 |
| 2006 | 48.03 | 147 |
| 2005 | 47.69 | 146 |
| 2004 | 47.4 | 148 |
| 2003 | 47.14 | 152 |
| 2002 | 46.91 | 150 |
| 2001 | 46.65 | 154 |
| 2000 | 46.74 | 153 |
| 1999 | 47.62 | 148 |
| 1998 | 47.63 | 148 |
| 1997 | 48.28 | 147 |
| 1996 | 47.76 | 151 |
| 1995 | 48.19 | 150 |
| 1994 | 48.56 | 147 |
| 1993 | 48.26 | 147 |
| 1992 | 48.89 | 148 |
| 1991 | 48.67 | 149 |