| Year | Team |
| 1970 (Big 10) | |
| 1970 (Pac 8) | |
| 1971 (Big 10) | |
| 1971 (Pac 8) | |
| 1972 (Big 10) | |
| 1972 (Pac 8) | |
| 1973 (Big 10) | |
| 1973 (Pac 8) | |
| 1974 (Big 10) | |
| 1974 (Pac 8) | |
| 1975 (Big 10) | |
| 1975 (Pac 8) | |
| 1976 (Big 10) | |
| 1976 (Pac 8) | |
| 1977 (Big 10) | |
| 1977 (Pac 8) | |
| 1978 (Big10) | |
| 1978 (Pac 8) | |
| 1979 (Big10) | |
| 1979 (Pac 10) | |
| 1980 (Big10) | |
| 1980 (Pac 10) | |
| 1981 (Big10) | |
| 1981 (Pac 10) | |
| 1982 (Big10) | |
| 1982 (Pac 10) | |
| 1983 (Big10) | |
| 1983 (Pac 10) | |
| | Year | Team |
| 1984 (Big 10) | |
| 1984 (Pac 10) | |
| 1985 (Big 10) | |
| 1985 (Pac 10) | |
| 1986 (Big 10) | |
| 1986 (Pac 10) | |
| 1987 (Big 10) | |
| 1987 (Pac 10) | |
| 1988 (Big 10) | |
| 1988 (Pac 10) | |
| 1989 (Big 10) | |
| 1989 (Pac 10) | |
| 1990 (Big 10) | |
| 1990 (Pac 10) | |
| 1991 (Big 10) | |
| 1991 (Pac 10) | |
| 1992 (Big 10) | |
| 1992 (Pac 10) | |
| 1993 (Big 10) | |
| 1993 (Pac 10) | |
| 1994 (Big 10) | |
| 1994 (Pac 10) | |
| 1995 (Big 10) | |
| 1995 (Pac 10) | |
| 1996 (Big 10) | |
| 1996 (Pac 10) | |
| 1997 (Big 10) | |
| 1997 (Pac 10) | |
| | Year | Team |
| 1998 (Big 10) | |
| 1998 (Pac 10) | |
| 1999 (Big 10) | |
| 1999 (Pac 10) | |
| 2000 (Big 10) | |
| 2000 (Pac 10) | |
| 2001 (Big 10) | |
| 2001 (Pac 10) | |
| 2002 (Big 12) | |
| 2002 (Big East) | |
| 2003 (Big 12) | |
| 2003 (Pac 10) | |
| 2004 (Big 10) | |
| 2004 (Pac 10) | |
| 2005 (Big 10) | |
| 2005 (Big 12) | |
| 2006 (Big 12) | |
| 2006 (Pac 10) | |
| 2007 (Big 10) | |
| 2007 (Pac 10) | |
| 2008 (Big 10) | |
| 2008 (Pac 10) | |
| 2009 (Big 10) | |
| 2009 (Pac 10) | |
| 2010 (Big 10) | |
| 2010 (Pac 10) | |
|