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 -10
1906 -10
1907 -10
1908 -10
1909 -10
1910 -10
1911 -10
1912 -10
1913 -10
1914 -10
1915 -10
1916 -10
1917 -10
1918 -10
1919 -10
1920 -10
1921 -10
1922 -10
1923 -10
1924 -10
1925 -10
1926 -10
1927 -10
1928 -10
1929 -10
1930 -10
1931 -10
1932 -8
1933 -6
1934 -4
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 -6
1953 -6
1954 -6
1955 -3
1956 -3
1957 -3
1958 -7
1959 -7
1960 -7
1961 -7
1962 -7
1963 -7
1964 -7
1965 -7
1966 -7
1967 -7
1968 -2
1969 2
1970 2
1971 -7
1972 -7
1973 -2
1974 3
1975 3
1976 -7
1977 -2
1978 2
1979 2
1980 2
1981 2
1982 2
1983 2
1984 2
1985 2
1986 2
1987 2
1988 3
1989 3
1990 3
1991 -1
1992 9
1993 9
1994 9
1995 9
1996 9
1997 9
1998 9
1999 9
2000 9
2001 9
2002 9
2003 9
2004 9
2005 9
2006 -5
2007 -1
2008 4
2009 4
2010 4
2011 7