2008 Rho Tau
2007 Alpha Rho
2006 Eta Beta
2005 Omicron Epsilon
2004 Iota Epsilon
2003 Zeta Psi
2002 Alpha Rho
2001 Rho Tau
2000 Iota Epsilon
1999 Omicron Epsilon
1998 Zeta Psi
1997 Alpha Rho
1996 Eta Beta
1995 Zeta Psi
1994 Iota Epsilon/Iota Beta
1993 Rho Tau
1992 Alpha Rho
1991 Alpha Rho
1990 Iota Epsilon
1989 Rho Tau