1899 - 1907
1907 - 1916
1916 - 1919
1919 - 1936
1936 - 1939
1939 - 1945
1946 - 1976
1976 - 1979
1979 - 1986
1986 - 1994
1994 - 1995
1995 - 1997
1997 - 1998
1998 - 2009
since 2009
