| 1969-1978 Championships |
| 1979 Amherst, MA |
| 1980 Fargo, ND |
| 1981 Cleveland, OH |
| 1982 Santa Barbara, CA |
| 1983 Purchase, NY |
| 1984 Las Vegas, NV |
| 1985 Atlanta, GA |
| 1986 San Jose, CA |
| 1987 Akron, OH |
| 1988 Denver, CO |
| 1989 Baltimore, MD |
| 1990 Los Angeles, CA |
| 1991 St. Louis, MO |
| 1992 Montreal, Quebec |
| 1993 Fargo, ND |
|
| 1994 Burlington, VT |
| 1995 Las Vegas, NV |
| 1996 Rapid City, SD |
| 1997 50th Anniversary, Pittsburgh, PA |
| 1998 Primm, NV |
| 1999 Niagara Falls, NY |
| 2000 Montreal, Quebec |
| 2001 Madison, WI |
| 2002 Reading, PA |
| 2003 Reno, NV |
| 2004 Buffalo, NY |
| 2005 Davenport, IA |
| 2006 Portland, OR |
| 2007 Winston-Salem, NC |
| 2008 Lexington, KY |
| 2009 Winston-Salem, NC |
|
