44th Summer Nationals 1972, Denver
45th Summer Nationals 1973, Washington
47th Summer Nationals 1975, Bal Harbour
48th Summer Championships 1976, Salt Lake City
49th Summer Championships, Chicago
50th Summer Championships 1978, Toronto
51st Summer Championships 1979, Las Vegas
52nd Summer Championships 1980, Chicago
53rd Summer Championships 1981, Boston
54th Summer Championships 1982, Albuquerque
56th Summer Championships 1984, Washington
58th Summer Championships 1986, Toronto
60th Summer Championships 1988, Salt Lake City
66th Summer Championships 1994, San Diego
67th Summer Championships 1995, New Orléans
68th Summer Championships 1996, Miami
69th Summer Championships 1997, Albuquerque
70th Summer Championships 1998, Chicago
71st Summer Championships 1999, San Antonio
72nd Summer Championships 2000, Anaheim
73rd Summer Championships 2001, Toronto
74th Summer Championships 2002, Washington
75th Summer Championships 2003, Long Beach
76th Summer Championships 2004, New York
77th Summer Championships 2005, Atlanta
78th Summer Championships 2006, Chicago
79th Summer Championships 2007, Nashville
80th Summer Championships 2008, Las Vegas
81st Summer Championships 2009, Washington
82nd Summer Championships 2010, New Orléans
83rd Summer Championships 2011, Toronto
84th Summer Championships 2012, Philadelphia
85th Summer Championships 2013, Atlanta
86th Summer Championships 2014, Las Vegas
87th Summer Championships 2015, Chicago
88th Summer Championships 2016, Washington
89th Summer Championships 2017, Toronto
90th Summer Championships 2018, Atlanta