2024
- 10 teams
- 7 brands
2023
- 10 teams
- 7 brands
2022
- 10 teams
- 4 brands
2021
- 10 teams
- 6 brands
2020
- 10 teams
- 4 brands
2019
- 10 teams
- 7 brands
2018
- 10 teams
- 7 brands
2017
- 12 teams
- 7 brands
2016
- 12 teams
- 9 brands
2015
- 12 teams
- 5 brands
2014
- 12 teams
- 5 brands
2013
- 12 teams
- 5 brands
2012
- 12 teams
- 8 brands
2011
- 10 teams
- 7 brands
2010
- 11 teams
- 5 brands
2009
- 11 teams
- 6 brands
2008
- 12 teams
- 7 brands
2007
- 12 teams
- 5 brands
2006
- 12 teams
- 5 brands
2005
- 12 teams
- 7 brands
2004
- 10 teams
- 6 brands
2003
- 11 teams
- 7 brands
2002-03
- 10 teams
- 7 brands
2001-02
- 12 teams
- 6 brands
2000-01
- 12 teams
- 6 brands
1999-00
- 11 teams
- 8 brands
1998-99
- 11 teams
- 6 brands
1997-98
- 12 teams
- 6 brands
1996-97
- 9 teams
- 4 brands
1995-96
- 10 teams
- 6 brands
1994-95
- 7 teams
- 4 brands
1993-94
- 8 teams
- 4 brands
1992-93
- 6 teams
- 4 brands
1991-92
- 5 teams
- 4 brands
1990-91
- 7 teams
- 4 brands
1989-90
- 3 teams
- 3 brands
1988-89
- 3 teams
- 3 brands
1987-88
- 3 teams
- 2 brands
1986-87
- 1 team
- 1 brand
1985-86
- 3 teams
- 3 brands
1983-84
- 2 teams
- 1 brand
1983
- 1 team
- 1 brand
1978
- 1 team
- 1 brand
1976-77
- 1 team
- 1 brand
1973-74
- 1 team
- 1 brand
1970-71
- 1 team
- 1 brand
1970
- 1 team
- 1 brand
1968-69
- 1 team
- 1 brand
1967-68
- 1 team
- 1 brand
1966
- 1 team
- 1 brand
1960-70
- 1 team
- 1 brand
1960
- 1 team
- 1 brand
1955
- 1 team
- 1 brand
1950
- 2 teams
- 1 brand
1945
- 1 team
- 1 brand
1939-40
- 1 team
- 1 brand
1936-37
- 1 team
- 1 brand
1931-32
- 1 team
- 1 brand
1923
- 1 team
- 1 brand
1904-05
- 1 team
- 1 brand
