Year	Measure
1800	5
1875	5
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
1947	3
1950	3
1954	3
1956	1
1961	1
1978	1
1979	1
1980	1
1981	1
1982	1
1983	1
1984	1
1985	1
1986	1
1987	1
1988	1
1989	1
1990	1
1991	1
1992	1
1993	1
1994	1
1995	1
1996	1
1997	1
1998	1
1999	1
2000	1
2001	1
2002	1
2003	1
2004	1
2005	1
2006	1
2007	1