| 1980 | Quad A | Class AAA | Class AA | Class A |
| 1981 | Quad A | Class AAA | Class AA | Class A |
| 1982 | Quad A Div. 1 | Class AAA | Class AA | Class A |
| Quad A Div. 2 | ||||
| 1983 | Quad A Div. 1 | Class AAA | Class AA | Class A |
| Quad A Div. 2 | ||||
| 1984 | Quad A | Class AAA | Class AA | Class A |
| 1985 | Quad A | Class AAA | Class AA | Class A |
| 1986 | Quad A | Class AAA | Class AA | Class A |
| 1987 | Quad A | Class AAA | Class AA | Class A |
| 1988 | Quad A | Class AAA | Class AA | Class A |
| 1989 | Quad A | Class AAA | Class AA | Class A |
| 1990 | Quad A | Class AAA | Class AA | Class A |
| 1991 | Quad A | Class AAA | Class AA | Class A |
| 1992 | Quad A | Class AAA | Class AA | Class A |
| 1993 | Quad A | Class AAA | Class AA | Class A |
| 1994 | Quad A | Class AAA | Class AA | Class A |
| 1995 | Quad A | Class AAA | Class AA | Class A |
| 1996 | Quad A | Class AAA | Class AA | Class A |
| 1997 | Quad A | Class AAA | Class AA | Class A |
| 1998 | Quad A | Class AAA | Class AA | Class A |
| 1999 | Quad A | Class AAA | Class AA | Class A |
| 2000 | Quad A | Class AAA | Class AA | Class A |
| 2001 | Quad A | Class AAA | Class AA | Class A |