2024-25
- 3 teams
2023
- 3 teams
2022-23
- 2 teams
2022
- 1 team
2021-22
- 1 team
2020-21
- 1 team
1995-96
- 1 team
1991-92
- 3 teams
1990-91
- 1 team
1990
- 1 team
1989-90
- 2 teams
1988-89
- 4 teams
1988
- 1 team
1987-88
- 3 teams
1987
- 1 team
1986-87
- 7 teams
1985-86
- 7 teams
1984-85
- 6 teams
1983-84
- 11 teams
1982-83
- 9 teams
1981-82
- 5 teams
1980-81
- 9 teams
