Year	Number
1811	-9
1812	-9
1813	-9
1814	-9
1815	-9
1816	-9
1817	-9
1818	-9
1819	-9
1820	-9
1821	-9
1822	-9
1823	-9
1824	-9
1825	-9
1826	-9
1827	-9
1828	-9
1829	-9
1830	-9
1831	-9
1832	-9
1833	-9
1834	-9
1835	-9
1836	-9
1837	-9
1838	-9
1839	-9
1840	-9
1841	-9
1842	-9
1843	-9
1844	-9
1845	-9
1846	-9
1847	-9
1848	-9
1849	-9
1850	-9
1851	-9
1852	-9
1853	-9
1854	-9
1855	-9
1856	-9
1857	-9
1858	-9
1859	-9
1860	-9
1861	-9
1862	-9
1863	-9
1864	-9
1865	-9
1866	-9
1867	-9
1868	-9
1869	-6
1870	-3
1871	-3
1872	-3
1873	-3
1874	-3
1875	-3
1876	-3
1877	-4
1878	-4
1879	-4
1880	-4
1881	-4
1882	-4
1883	-4
1884	-4
1885	-4
1886	-4
1887	-4
1888	-4
1889	-4
1890	-4
1891	-4
1892	-4
1893	-4
1894	-4
1895	-4
1896	-4
1897	-4
1898	-4
1899	-4
1900	-4
1901	-4
1902	-4
1903	-4
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	-7
1937	2
1938	2
1939	2
1940	-9
1941	-9
1942	-9
1943	-9
1944	-9
1945	-9
1946	-9
1947	-5
1948	-5
1949	-5
1950	-5
1951	-5
1952	-5
1953	-5
1954	-9
1955	-9
1956	-9
1957	-9
1958	-9
1959	-9
1960	-9
1961	-9
1962	-9
1963	-9
1964	-9
1965	-9
1966	-9
1967	-8
1968	-8
1969	-8
1970	-8
1971	-8
1972	-8
1973	-8
1974	-8
1975	-8
1976	-8
1977	-8
1978	-8
1979	-8
1980	-8
1981	-8
1982	-8
1983	-8
1984	-8
1985	-8
1986	-8
1987	-8
1988	-8
1989	2
1990	2
1991	2
1992	7
1993	7
1994	7
1995	7
1996	7
1997	7
1998	6
1999	7
2000	7
2001	7
2002	7
2003	8
2004	8
2005	8
2006	8
2007	8
2008	8
2009	8
2010	8
2011	8