2022: Illinois, Michigan

2021: South Dakota, Michigan

2019: Maryland, Michigan,
Minnesota

2018-2019 Winter: Florida

2018: Maryland, Michigan, Colorado, Minnesota

2017-2018 Winter: Florida

2017: Illinois, Michigan, Minnesota

2016-2017 Winter: Florida

2016: Minnesota, Ohio, Michigan, Indiana

2015: Ohio, Indiana, Wisconsin, Minnesota

2014: Michigan, Missouri, Iowa, Minnesota

2013: Pennsylvania, Ohio, Minnesota

2012: Connecticut, Michigan, Wisconsin

2011: Massachusetts, Illinois, Minnesota

2010: Iowa, Maryland, Indiana

2009: North Carolina, New Jersey, Michigan

2008: Wisconsin, Ohio, New York, Massachusetts

2007-2008 Winter: Florida

2007: Tennessee, Maryland, New York

2006-2007 Winter: Florida

2006: Pennsylvania, Illinois, Oregon

2005-2006 Winter: California

2005: Virginia, Ohio, Minnesota, Colorado

2004: Wisconsin, Michigan, Indiana, Minnesota

2003: Illinois, Maryland, Michigan, Minnesota

2002: Pennsylvania, Iowa, Ohio, Minnesota

2001: Wisconsin, Michigan, Maryland, Minnesota

2000: Illinois, Pennsylvania, Minnesota, Oregon

1999: Iowa, Wisconsin, Ohio, Minnesota

1998: Wisconsin, Illinois, Georgia, Minnesota

1997: Wisconsin, Pennsylvania/Maryland, California, Michigan, Minnesota

1996: Minnesota, Pennsylvania/Maryland, Iowa, California

1995: Pennsylvania, Minnesota, Wisconsin, Washington

1994: Oregon, Minnesota/Wisconsin, Michigan, Iowa

1993: Minnesota, Wisconsin/UP, Illinois, Pennsylvania

1992: Wisconsin, Minnesota, California, New York

1991: Ohio, Indiana, Minnesota, Wisconsin

1990: Maryland, Michigan, Minnesota

1989: Iowa, Wisconsin, Minnesota

1988: Pennsylvania, Minnesota, Illinois/Wisconsin

1987: Ohio, Wisconsin, Minnesota/Wisconsin

1986: Michigan, Minnesota

1985: Pennsylvania, Wisconsin/Minnesota

1984: Pennsylvania/Maryland, Indiana/Michigan, Minnesota/Wisconsin

1983: Pennsylvania, Indiana, Minnesota

1982: Minnesota/Iowa/Wisconsin

1981: Minnesota, Minnesota/Wisconsin

1980: Minnesota/Wisconsin, Minnesota/Iowa/Wisconsin

1979: Minnesota/Wisconsin