2003-04
- 6 teams
- 6 brands
2002-03
- 7 teams
- 7 brands
2001-02
- 10 teams
- 8 brands
2000-01
- 7 teams
- 7 brands
1999-00
- 6 teams
- 6 brands
1998-99
- 7 teams
- 6 brands
1997-98
- 5 teams
- 5 brands
1996-97
- 1 team
- 1 brand
1995-96
- 5 teams
- 4 brands
1994-95
- 7 teams
- 6 brands
1993-94
- 9 teams
- 7 brands
1992-93
- 11 teams
- 6 brands
1991-92
- 9 teams
- 8 brands
1990-91
- 11 teams
- 8 brands
1989-90
- 14 teams
- 9 brands
1988-89
- 15 teams
- 9 brands
1987-88
- 11 teams
- 7 brands
1986-87
- 12 teams
- 8 brands
1985-86
- 10 teams
- 7 brands
1984-85
- 10 teams
- 5 brands
1983-84
- 8 teams
- 6 brands
1982-83
- 6 teams
- 5 brands
1981-82
- 6 teams
- 5 brands
1980-81
- 4 teams
- 3 brands
1979-80
- 5 teams
- 2 brands
1978-79
- 2 teams
- 1 brand
1977-78
- 4 teams
- 3 brands
1976-77
- 2 teams
- 2 brands
1975-76
- 1 team
- 1 brand
1974-75
- 4 teams
- 2 brands
1973-74
- 1 team
- 1 brand
1971-72
- 1 team
- 1 brand
1970-71
- 1 team
- 1 brand
1969-70
- 1 team
- 1 brand
1965-66
- 1 team
- 1 brand
1964-65
- 1 team
- 1 brand
1954-55
- 1 team
- 1 brand
1937-38
- 1 team
- 1 brand
1932-37
- 1 team
- 1 brand
1931-32
- 1 team
- 1 brand
1922-23
- 1 team
- 1 brand
1912-18
- 1 team
- 1 brand
1903-06
- 1 team
- 1 brand
1902-03
- 1 team
- 1 brand
1900-05
- 1 team
- 1 brand
1896-02
- 1 team
- 1 brand
1896-00
- 1 team
- 1 brand
1895-96
- 1 team
- 1 brand
1894-96
- 1 team
- 1 brand
1886-95
- 1 team
- 1 brand
