Year	Measure
1800	5
1850	5
1855	3
1856	3
1857	3
1858	3
1859	3
1861	3
1862	3
1863	3
1864	3
1865	3
1866	3
1867	3
1868	3
1869	3
1870	3
1871	3
1872	3
1873	3
1874	3
1875	3
1876	3
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
1915	3
1916	3
1917	3
1918	3
1919	3
1920	3
1921	3
1922	3
1923	3
1924	3
1925	3
1926	3
1927	3
1928	3
1929	3
1930	3
1931	3
1932	3
1933	3
1934	3
1935	3
1936	3
1937	3
1938	3
1939	3
1940	3
1941	3
1942	3
1943	3
1944	3
1945	3
1946	3
1947	3
1948	3
1949	3
1950	3
1951	3
1952	3
1953	3
1954	3
1955	3
1956	3
1957	3
1958	3
1959	3
1960	3
1961	3
1962	3
1963	3
1964	3
1965	3
1966	3
1967	3
1968	3
1969	3
1970	3
1971	3
1972	3
1973	3
1974	3
1975	3
1976	3
1977	3
1978	3
1979	3
1980	3
1981	3
1982	3
1983	3
1984	3
1985	3
1986	3
1987	3
1988	3
1989	3
1990	3
1991	3
1992	3
1993	3
1994	3
1995	3
1996	3
1997	3
1998	3
1999	3
2000	3
2001	3
2002	2
2003	2
2004	2
2005	2
2006	2
2007	2
2008	2
2009	2