2024-25
- 14 teams
2023-24
- 22 teams
2022-23
- 20 teams
2021-22
- 11 teams
2020-21
- 16 teams
2019-20
- 7 teams
2018-19
- 10 teams
2017-18
- 14 teams
2016-17
- 10 teams
2015-16
- 13 teams
2014-15
- 13 teams
2013-14
- 16 teams
2012-13
- 12 teams
2011-12
- 6 teams
2010-11
- 11 teams
2009-10
- 7 teams
2008-09
- 6 teams
2007-08
- 6 teams
2006-07
- 4 teams
2005-06
- 4 teams
2004-05
- 4 teams
2003-04
- 4 teams
