Year	Measure
1800	5
1850	4
1860	4
1877	3
1878	3
1879	3
1880	3
1881	3
1882	3
1883	3
1884	3
1885	3
1886	3
1887	3
1888	3
1889	3
1890	3
1891	3
1892	3
1893	3
1894	3
1895	3
1896	3
1897	3
1898	3
1899	3
1900	3
1901	3
1902	3
1903	3
1904	3
1905	3
1906	3
1907	3
1908	3
1909	3
1910	3
1911	3
1912	3
1913	3
1914	3
1918	4
1922	3
1931	2
1946	3