Formenn i
perioden

1849 - 1865
1865 - 1882
1882 - 1898
1898 - 1908
1908 - 1922
1922 - 1929
1929 - 1934
1934 - 1946
1946 - 1953
1953 - 1974
1974 - 2012
2012 - d.d.