1919
1919 - 1921
1921 - 1924
1924 - 1936
1936 - 1941
1941 - 1942
1942 - 1947
1947 - 1958
1958 - 1966
1966 - 1982
1982 - 1988
1988 - 1992
1992 - 2001
2001 - 2012
since 2012
