2024-25
- 4 teams
2023-24
- 6 teams
2022-23
- 4 teams
2021-22
- 4 teams
2020-21
- 2 teams
2019-20
- 3 teams
2018-19
- 2 teams
2017-18
- 4 teams
2016-17
- 2 teams
2015-16
- 4 teams
2014-15
- 4 teams
2011-12
- 1 team
2006-07
- 3 teams
2005-06
- 1 team
2003-04
- 4 teams
2002-03
- 2 teams
2001-02
- 2 teams
1998-99
- 1 team
1992-93
- 1 team
1991-92
- 1 team
1990-91
- 2 teams
