| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 86.709 | 2 |
| 2015 | 87.169 | 5 |
| 2014 | 87.197 | 4 |
| 2013 | 86.469 | 6 |
| 2012 | 84.928 | 7 |
| 2011 | 83.231 | 8 |
| 2010 | 80.9 | 12 |
| 2009 | 79.592 | 13 |
| 2008 | 76.853 | 17 |
| 2007 | 76.574 | 21 |
| 2006 | 76.915 | 17 |
| 2005 | 76.387 | 18 |
| 2004 | 75.958 | 19 |
| 2003 | 75.918 | 16 |
| 2002 | 75.901 | 15 |
| 2001 | 76.537 | 15 |
| 2000 | 76.586 | 14 |
| 1999 | 75.83 | 12 |
| 1998 | 74.621 | 14 |
| 1997 | 74.441 | 15 |
| 1996 | 73.044 | 16 |
| 1995 | 72.788 | 14 |
| 1994 | 71.707 | 15 |
| 1993 | 69.707 | 18 |
| 1992 | 68.716 | 20 |
| 1991 | 67.069 | 20 |
| 1990 | 67.214 | 16 |
| 1989 | 66.494 | 15 |
| 1988 | 65.324 | 13 |
| 1987 | 65.071 | 16 |
| 1986 | 65.082 | 16 |