2011, Lincoln, Nebraska
2004, Lincoln, Nebraska
1999, Omaha, Nebraska
1997, Gretna, Nebraska
1990, Omaha, Nebraska
1988, Nebraska City, Nebraska
1981, Lincoln, Nebraska
1979, Schuyler, Nebraska
1978, Omaha, Nebraska
1972, Lincoln, Nebraska
1970, Doniphan, Nebraska
1963, Grand Island, Nebraska
1961, Lincoln, Nebraska
1958, Columbus, Nebraska
1950, Omaha, Nebraska
1949, Bassett, Nebraska
1946, Norfolk, Nebraska
1946, Scottsbluff, Nebraska
