1904 - 1922
1922 - 1925
1925 - 1930
1927
1930
1932
1936
1949 - 1990
1950
1952
1967 - 1978
1971
1978 - 1979
1985
1990 - 1994
1994 - 1995
1995 - 1998
1998 - 2001
2001 - 2002
2005 - 2006
2011 - 2012
since 2002
