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2024
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2023
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2022
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2021
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2020
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2019
- 31 teams
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2018
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2017
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2016
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2015
- 31 teams
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2014
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2013
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2012
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2011
- 31 teams
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2010
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2009
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2008
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2007
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2006
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2005
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2004
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2003
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2002
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2001
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2000
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1999
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1998
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1997
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1996
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1995
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1994
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1993
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1992
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1991
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1990
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1989
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1988
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1987
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1986
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1985
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1984
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1983
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1982
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1981
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1980
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1979
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1978
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1977
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1976
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1975
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1974
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1973
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1972
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1971
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1970
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1969
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1968
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1967
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1966
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1965
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1964
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1963
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1962
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1961
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1960
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1959
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1958
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1957
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- 5 brands
1956
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1955
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1954
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1953
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1952
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1951
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1950
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1949
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1948
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1947
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1946
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- 6 brands
1945
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1944
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1943
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1942
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- 5 brands
1941
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1940
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- 5 brands
1939
- 16 teams
- 4 brands
1938
- 15 teams
- 4 brands
1937
- 15 teams
- 4 brands
1936
- 16 teams
- 4 brands
1935
- 16 teams
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1934
- 15 teams
- 5 brands
1933
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1932
- 15 teams
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1931
- 15 teams
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1930
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1929
- 15 teams
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1928
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1927
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1926
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1925
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1924
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1923
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1922
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1921
- 14 teams
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1920
- 13 teams
- 3 brands
1919
- 13 teams
- 3 brands
1918
- 12 teams
- 4 brands
1917
- 14 teams
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1916
- 13 teams
- 3 brands
1915
- 14 teams
- 3 brands
1914
- 15 teams
- 3 brands
1913
- 13 teams
- 3 brands
1912
- 12 teams
- 3 brands
1911
- 11 teams
- 3 brands
1910
- 15 teams
- 3 brands
1909
- 13 teams
- 3 brands
1908
- 10 teams
- 3 brands
1907
- 10 teams
- 2 brands
1906
- 12 teams
- 2 brands
1905
- 12 teams
- 3 brands
1904
- 12 teams
- 2 brands
1903
- 13 teams
- 2 brands
1902
- 11 teams
- 2 brands
1901
- 10 teams
- 1 brand
