2023
- 16 teams
- 6 brands
2022
- 16 teams
- 6 brands
2021
- 14 teams
- 6 brands
2020
- 16 teams
- 6 brands
2019
- 16 teams
- 7 brands
2018
- 16 teams
- 6 brands
2017
- 17 teams
- 6 brands
2016
- 8 teams
- 5 brands
2015
- 11 teams
- 4 brands
2014
- 13 teams
- 4 brands
2013
- 10 teams
- 4 brands
2012
- 12 teams
- 4 brands
2011
- 10 teams
- 5 brands
2010-11
- 1 team
- 1 brand
2010
- 6 teams
- 3 brands
2009
- 9 teams
- 4 brands
2008
- 7 teams
- 4 brands
2007
- 7 teams
- 3 brands
2006
- 9 teams
- 4 brands
2005
- 7 teams
- 5 brands
2004
- 6 teams
- 3 brands
2003
- 5 teams
- 3 brands
2002
- 6 teams
- 3 brands
2001
- 8 teams
- 3 brands
2000
- 6 teams
- 2 brands
1999
- 8 teams
- 5 brands
1998
- 5 teams
- 4 brands
1997
- 8 teams
- 5 brands
1996
- 6 teams
- 3 brands
1995
- 5 teams
- 3 brands
1994
- 3 teams
- 2 brands
1993
- 3 teams
- 2 brands
1992
- 3 teams
- 3 brands
1991
- 3 teams
- 1 brand
1990
- 5 teams
- 2 brands
1989
- 5 teams
- 3 brands
1988
- 3 teams
- 3 brands
1987
- 2 teams
- 2 brands
1986
- 2 teams
- 2 brands
1985
- 1 team
- 1 brand
1984
- 2 teams
- 1 brand
1983
- 4 teams
- 3 brands
1982
- 1 team
- 1 brand
1981
- 1 team
- 1 brand
1980
- 1 team
- 1 brand
1979
- 1 team
- 1 brand
1978
- 2 teams
- 2 brands
1976
- 1 team
- 1 brand
1975
- 1 team
- 1 brand
1974
- 2 teams
- 1 brand
1972
- 1 team
- 1 brand
1968
- 1 team
- 1 brand
1967
- 1 team
- 1 brand
1966
- 1 team
- 1 brand
1965
- 1 team
- 1 brand
1964
- 1 team
- 1 brand
1963
- 1 team
- 1 brand
1962
- 1 team
- 1 brand
1960
- 1 team
- 1 brand
1958
- 1 team
- 1 brand
1957
- 2 teams
- 1 brand
1956
- 1 team
- 1 brand
1955
- 1 team
- 1 brand
