2016 - Present
2003 - 2015
1988 - 2003
1976 - 1988
1961 - 1973
1954 - 1960
1942 - 1954
1920 - 1940
1902 - 1918
1897 - 1902
1884 - 1897
1873 - 1883
1845 - 1862