2002 York | 2002 Quebec | 2002 Geneva | 2002 Geneva | 2002 Beijing |
1996 Seattle | 1997 Beijing | 1998 Beijing | 1999 Beijing | 1999 Beijing |
1988 Boston | 1988 Himeji | 1990 Erice | 1992 Beijing | 1995 Kuala Lumpur |
1980 Beijing | 1981 York | 1985 Beijing | 1987 Beijing | 1987 Perth |