2022-23
- 18 teams
2022
- 6 teams
2021-22
- 20 teams
2021
- 6 teams
2020-21
- 10 teams
2019-20
- 11 teams
2019
- 6 teams
2018-19
- 10 teams
2018
- 6 teams
2017-18
- 12 teams
2017
- 9 teams
2016-17
- 7 teams
2016
- 10 teams
2015-16
- 6 teams
2015
- 7 teams
2001-02
- 1 team
2000-01
- 1 team
1999-00
- 5 teams
1999
- 1 team
1998-99
- 6 teams
1998
- 1 team
