2011    Texas A&M University

2010   California Polytechnic University - San Luis Obispo

2009    University of Alberta

2008    University of Kentucky

2007    Oklahoma State University

2006    University of Alberta

2005    California Polytechnic University - San Luis Obispo  

2004    California Polytechnic University - San Luis Obispo

2003    California Polytechnic University - San Luis Obispo

2002    California Polytechnic University - San Luis Obispo

2001    California Polytechnic University - San Luis Obispo

2000    University of Florida