1666	1833	1876	1923	1948	1968
1739?	1836	1877	1924	1949	196x
1755?	1838	1879	1928	1949-1950	196x?
1757	1840	1881	1929	194x?	1970
1776	1842	1884	192x	1950	1971
1777	1843	1887	1930	1951	1972-1973
1778	1844	1888	1930?	1952	1975
1779	1846	1891	1931	1952-1953	1978
1780	1847	1895	1932	1953	1979
1787	1849?	1896	1933	1954	197x
1795?	1850	1897	1934	1956	1980
1796	1850?	18xx	1934?	1957	1983
1802?	1851	1903	1935	1957-1958	1986
1804	1853	1905	1935-1938	1958	1987
1806	1855	1906	1935?	1959	1988
1812	1856	1910	1936	1959-1960	1989
1816	1860	1913	1937	195x	198x?
1819-1822	1861	1914	1938	195x?	1990
1820	1862	1915	1939	1960	1994
1823	1864	1916	193x?	1961	1995
1824	1866	1917	1940	1961-1962	1999
1824?	1867	1917-1918	1941	1962	199x
1825	1868	1918	1942	1965	19xx
1827	1870	1919	1943	1965 (June)	19xx?
1828	1873	1920	1944	1965 (Sept.)	2000
182x?	1874	1920?	1946	1967	n.d.
1832	1875	1921