1985, Pittsburgh, Pennsylvania
1985, Atlanta, Georgia
1984, Denver, Colorado
1984, Norfolk, Virginia
1984, Dallas, Texas
1984, Des Moines, Iowa
1984, Abilene, Texas
1984, Miami, Florida
1983, Atlanta, Georgia
1983, Houston, Texas
1983, Pittsburgh, Pennsylvania
1982, Providence, Rhode Island
1981, Louisville, Kentucky
1980, Seattle, Washington
1979, Pittsburgh, Pennsylvania
1977, Boston, Massachusetts
1975, Austin, Texas
1974, Charleston, West Virginia
1974, New York, New York
1973, Baltimore, Maryland