2023-24
- 10 Teams
2022-23
- 9 Teams
2021-22
- 7 Teams
2020-21
- 8 Teams
2019-20
- 12 Teams
2019
- 1 Team
2018-19
- 8 Teams
2018
- 1 Team
2017-18
- 6 Teams
2017
- 1 Team
2016-17
- 4 Teams
2016
- 1 Team
2015-16
- 5 Teams
2014-15
- 4 Teams
2014
- 1 Team
2013-14
- 6 Teams
2012-13
- 5 Teams
2011-12
- 1 Team
2010-11
- 2 Teams
2009-10
- 2 Teams
2008-09
- 4 Teams
2007-08
- 2 Teams
