Year	Number
1800	-10
1801	-10
1802	-10
1803	-10
1804	-10
1805	-10
1806	-10
1807	-10
1808	-10
1809	-10
1810	-10
1811	-10
1812	-10
1813	-10
1814	-10
1815	-10
1816	-10
1817	-10
1818	-10
1819	-10
1820	-10
1821	-10
1822	-10
1823	-10
1824	-10
1825	-10
1826	-10
1827	-10
1828	-10
1829	-10
1830	-10
1831	-10
1832	-10
1833	-10
1834	-10
1835	-10
1836	-10
1837	-10
1838	-10
1839	-10
1840	-10
1841	-10
1842	-10
1843	-10
1844	-10
1845	-10
1846	-10
1847	-10
1848	-10
1849	-10
1850	-10
1851	-10
1852	-10
1853	-10
1854	-10
1855	-10
1856	-10
1857	-10
1858	-10
1859	-10
1860	-10
1861	-10
1862	-10
1863	-10
1864	-10
1865	-10
1866	-10
1867	-10
1868	-10
1869	-10
1870	-10
1871	-10
1872	-10
1873	-10
1874	-10
1875	-10
1876	-10
1877	-10
1878	-10
1879	-10
1880	-10
1881	-10
1882	-10
1883	-10
1884	-10
1885	-10
1886	-10
1887	-10
1888	-10
1889	-10
1890	-10
1891	-10
1892	-10
1893	-10
1894	-10
1895	-10
1896	-10
1897	-10
1898	-10
1899	-10
1900	-10
1901	-10
1902	-10
1903	-10
1904	-10
1905	-8
1906	-6
1907	-6
1908	-6
1909	-6
1910	-6
1911	-6
1912	-6
1913	-6
1914	-6
1915	-6
1916	-6
1917	-1
1918	-1
1919	-1
1920	-1
1921	-1
1922	-1
1923	-7
1924	-7
1925	-7
1926	-7
1927	-8
1928	-8
1929	-8
1930	-8
1931	-8
1932	-8
1933	-9
1934	-9
1935	-9
1936	-9
1937	-9
1938	-9
1939	-9
1940	-9
1941	-9
1942	-9
1943	-9
1944	-9
1945	-9
1946	-9
1947	-9
1948	-9
1949	-9
1950	-9
1951	-9
1952	-9
1953	-7
1954	-7
1955	-7
1956	-7
1957	-7
1958	-7
1959	-7
1960	-7
1961	-7
1962	-7
1963	-7
1964	-7
1965	-7
1966	-7
1967	-7
1968	-7
1969	-7
1970	-7
1971	-7
1972	-7
1973	-7
1974	-7
1975	-7
1976	-7
1977	-7
1978	-7
1979	-7
1980	-7
1981	-7
1982	-7
1983	-7
1984	-7
1985	-7
1986	-7
1987	-7
1988	-6
1989	-4
1990	0
1991	0
1992	5
1993	3
1994	3
1995	3
1996	3
1997	3
1998	3
1999	3
2000	6
2001	6
2002	6
2003	6
2004	6
2005	6
2006	6
2007	4
2008	4
2009	4
2010	4
2011	4