2022-23
- 1 team
2022
- 4 teams
2021-22
- 21 teams
2021
- 4 teams
2020-21
- 6 teams
2020
- 4 teams
2019-20
- 9 teams
2019
- 4 teams
2018-19
- 7 teams
2018
- 5 teams
2017-18
- 7 teams
2017
- 5 teams
2016-17
- 7 teams
2016
- 3 teams
2015-16
- 4 teams
2015
- 3 teams
2014-15
- 3 teams
2013-14
- 2 teams
2012-13
- 3 teams
2011-12
- 4 teams
2010-11
- 4 teams
2010
- 1 team
