2022
- 1 team
2021-22
- 20 teams
2021
- 10 teams
2020-21
- 14 teams
2019-20
- 12 teams
2019
- 1 team
2018-19
- 7 teams
2017-18
- 4 teams
2017
- 4 teams
2016
- 1 team
2015-16
- 2 teams
2014-15
- 2 teams
2013-14
- 2 teams
2013
- 1 team
2012-13
- 2 teams
2010-11
- 1 team
2006-07
- 2 teams
2004-05
- 2 teams
2003-04
- 2 teams
2002-03
- 3 teams
2001-02
- 3 teams
2000-01
- 8 teams
1999-00
- 7 teams
1998-99
- 4 teams
1997-98
- 7 teams
1996-97
- 3 teams
1995-96
- 2 teams
1994-95
- 1 team
