| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 270.93 | 4 |
| 2015 | 280.15 | 4 |
| 2014 | 287.27 | 4 |
| 2013 | 309.59 | 4 |
| 2012 | 327.06 | 4 |
| 2011 | 319.04 | 5 |
| 2010 | 307.42 | 5 |
| 2009 | 296.97 | 4 |
| 2008 | 297.2 | 5 |
| 2007 | 258.51 | 6 |
| 2006 | 250.28 | 6 |
| 2005 | 211.19 | 7 |
| 2004 | 208.26 | 8 |
| 2003 | 214.57 | 6 |
| 2002 | 218.85 | 6 |
| 2001 | 218.66 | 5 |
| 2000 | 245.86 | 5 |
| 1999 | 227.02 | 4 |
| 1998 | 223.31 | 4 |
| 1997 | 226.11 | 4 |
| 1996 | 237.57 | 4 |
| 1995 | 253.98 | 4 |
| 1994 | 181.7 | 5 |
| 1993 | 178.91 | 5 |
| 1992 | 170.47 | 7 |
| 1991 | 165.24 | 8 |
| 1990 | 164.48 | 8 |
| 1989 | 154.6 | 8 |
| 1988 | 150.32 | 8 |
| 1987 | 148.05 | 10 |
| 1986 | 138.16 | 9 |