2022
- 2 teams
2021-22
- 48 teams
2021
- 20 teams
2020-21
- 48 teams
2020
- 5 teams
2019-20
- 28 teams
2019
- 5 teams
2018-19
- 17 teams
2018
- 4 teams
2017-18
- 13 teams
2016-18
- 1 team
2016-17
- 15 teams
2016
- 4 teams
2015-16
- 14 teams
2014-15
- 14 teams
2013-14
- 12 teams
2012-13
- 7 teams
2011-12
- 5 teams
2010-11
- 3 teams
2010
- 4 teams
2009
- 1 team
2008-09
- 3 teams
2007-08
- 3 teams
2007
- 1 team
2006-07
- 6 teams
2006
- 2 teams
2005-06
- 6 teams
2005
- 1 team
2004-05
- 3 teams
2004
- 1 team
2003-04
- 3 teams
2002
- 2 teams
2001-02
- 1 team
2001
- 1 team
1999-00
- 3 teams
1999
- 1 team
1997-98
- 3 teams
1996-97
- 3 teams
1995-96
- 4 teams
1994-95
- 5 teams
1993-94
- 7 teams
1992-93
- 7 teams
1991-92
- 6 teams
1990-92
- 1 team
1990-91
- 7 teams
1989-90
- 8 teams
1989
- 1 team
1988-89
- 7 teams
1987-89
- 2 teams
1987-88
- 6 teams
1986-87
- 4 teams
1986
- 3 teams
1985-86
- 5 teams
1984-85
- 3 teams
1982
- 1 team
