2023-24
- 6 teams
2023
- 4 teams
2022-23
- 35 teams
2022
- 7 teams
2021-22
- 23 teams
2021
- 5 teams
2020-21
- 9 teams
2020
- 4 teams
2019-20
- 15 teams
2019
- 5 teams
2018-19
- 14 teams
2018
- 8 teams
2017-18
- 9 teams
2017
- 7 teams
2016-17
- 9 teams
2016
- 4 teams
2015-16
- 10 teams
2015
- 4 teams
2014-15
- 6 teams
2014
- 4 teams
2013-14
- 6 teams
2012-13
- 4 teams
2011-12
- 5 teams
2010-11
- 4 teams
2009-10
- 1 team
