2023-24
- 35 teams
2022-23
- 34 teams
2021-22
- 34 teams
2020-21
- 31 teams
2019-20
- 33 teams
2018-19
- 33 teams
2017-18
- 31 teams
2016-17
- 9 teams
2000-01
- 1 team
1999-00
- 2 teams
1998-99
- 3 teams
1997-98
- 3 teams
1996-97
- 3 teams
1991-92
- 3 teams
1989-90
- 3 teams
1988-89
- 3 teams
1987-88
- 4 teams
1986-87
- 2 teams
1983-84
- 1 team
1982-83
- 1 team
1981-82
- 1 team
