2023
- 10 teams
- 6 brands
2022
- 10 teams
- 3 brands
2021
- 10 teams
- 5 brands
2020
- 10 teams
- 4 brands
2019
- 10 teams
- 6 brands
2018
- 10 teams
- 7 brands
2017
- 13 teams
- 8 brands
2016
- 13 teams
- 10 brands
2015
- 12 teams
- 5 brands
2014
- 12 teams
- 5 brands
2013
- 12 teams
- 5 brands
2012
- 12 teams
- 8 brands
2011
- 11 teams
- 8 brands
2010
- 11 teams
- 6 brands
2009
- 10 teams
- 5 brands
2008
- 12 teams
- 6 brands
2007
- 12 teams
- 4 brands
2006
- 12 teams
- 5 brands
2005
- 12 teams
- 7 brands
2004
- 10 teams
- 7 brands
2003
- 11 teams
- 7 brands
2002-03
- 10 teams
- 7 brands
2001-02
- 12 teams
- 6 brands
2000-01
- 11 teams
- 5 brands
1999-00
- 11 teams
- 8 brands
1998-99
- 11 teams
- 5 brands
1997-98
- 9 teams
- 6 brands
1996-97
- 6 teams
- 4 brands
1995-96
- 8 teams
- 5 brands
1994-95
- 6 teams
- 4 brands
1993-94
- 5 teams
- 3 brands
1992-93
- 5 teams
- 4 brands
1991-92
- 3 teams
- 3 brands
1990-91
- 5 teams
- 3 brands
1989-90
- 2 teams
- 2 brands
1988-89
- 1 team
- 1 brand
1987-88
- 1 team
- 1 brand
1986-87
- 1 team
- 1 brand
1985-86
- 1 team
- 1 brand
1983-84
- 2 teams
- 2 brands
