2011 - 65th Conference
2010 - 64th Conference
2009 - 63rd Conference
2008 - 62nd Conference
2007 - 61st Conference
2006 - 60th Conference
2005 - 59th Conference
2004 - 58th Conference
2003 - 57th Conference
2002 - 56th Conference
2001 - 55th Conference
2000 - 54th Conference
1999 - 53rd Conference
1998 - 52nd Conference
1997 - 51st Conference
1996 - 50th Conference
1995 - 49th Conference
1994 - 48th Conference
1993 - 47th Conference
1992 - 46th Conference
1991 - 45th Conference
1990 - 44th Conference
1989 - 43rd Conference
1988 - 42nd Conference
1987 - 41st Conference
1986 - 40th Conference
1985 - 39th Conference
1984 - 38th Conference
1983 - 37th Conference
1982 - 36th Conference
1981 - 35th Conference
1980 - 34th Conference
1979 - 33rd Conference
1978 - 32nd Conference
1977 - 31st Conference
1976 - 30th Conference
1975 - 29th Conference
1974 - 28th Conference
1973 - 27th Conference
1972 - 26th Conference
1971 - 25th Conference
1970 - 24th Conference
1969 - 23rd Conference
1968 - 22nd Conference
1967 - 21st Conference
1966 - 20th Conference
1965 - 19th Conference
1964 - 18th Conference
1963 - 17th Conference
1962 - 16th Conference
1961 - 15th Conference
1960 - 14th Conference
1959 - 13th Conference
1958 - 12th Conference
1957 - 11th Conference
1956 - 10th Conference
1955 - 9th Conference
1954 - 8th Conference
1953 - 7th Conference
1952 - 6th Conference
1951 - 5th Conference
1950 - 4th Conference
1949 - 3rd Conference
1948 - 2nd Conference
1947 - 1st Conference