| 时间 | 值 | 世界排名 |
|---|---|---|
| 2016 | 6985.7 | 8 |
| 2015 | 6986.4 | 8 |
| 2014 | 7184.1 | 7 |
| 2013 | 7335.7 | 7 |
| 2012 | 7237 | 6 |
| 2011 | 7716.8 | 6 |
| 2010 | 7487.5 | 7 |
| 2009 | 10187.7 | 6 |
| 2008 | 8352.9 | 6 |
| 2007 | 8529 | 5 |
| 2006 | 8134 | 4 |
| 2005 | 7722.1 | 4 |
| 2004 | 8065.6 | 4 |
| 2003 | 7295.7 | 3 |
| 2002 | 7195.8 | 4 |
| 2001 | 7026.2 | 3 |
| 2000 | 7127.7 | 4 |
| 1999 | 6610.7 | 4 |
| 1998 | 6233.8 | 4 |
| 1997 | 6183.9 | 5 |
| 1996 | 6036.3 | 5 |
| 1995 | 5835.9 | 4 |
| 1994 | 5373.3 | 4 |
| 1993 | 4639.9 | 4 |
| 1992 | 4287.5 | 4 |
| 1991 | 4108.7 | 3 |
| 1990 | 3994.2 | 4 |
| 1989 | 3840.3 | 3 |
| 1988 | 3470 | 4 |
| 1987 | 3247.7 | 4 |
| 1986 | 2826.9 | 4 |