Year Total
1801 0.1586
1802 0.1586
1803 0.1586
1804 0.1586
1805 0.1586
1806 0.1586
1807 0.1586
1808 0.1586
1809 0.1586
1810 0.1586
1811 0.1586
1812 0.1586
1813 0.1586
1814 0.1586
1815 0.1586
1816 0.1586
1817 0.1586
1818 0.1586
1819 0.1586
1820 0.1586
1821 0.8221
1822 0.8221
1823 0.8221
1824 0.8221
1825 0.8221
1826 0.8221
1827 0.8221
1828 0.8221
1829 0.8221
1830 0.8221
1831 0.8221
1832 0.8221
1833 0.8221
1834 0.8221
1835 0.8221
1836 0.8221
1837 0.8221
1838 0.8221
1839 0.8221
1840 0.8221
1841 0.8221
1842 0.8221
1843 0.8221
1844 0.8221
1845 0.8221
1846 0.8221
1847 0.8221
1848 0.8221
1849 0.8221
1850 0.8221
1851 0.8221
1852 0.8221
1853 0.8221
1854 0.8221
1855 0.8221
1856 0.8221
1857 0.8221
1858 0.8221
1859 0.8221
1860 0.8221
1861 0.8221
1862 0.8221
1863 0.8221
1864 0.8221
1865 0.8221
1866 0.8221
1867 0.8221
1868 0.8221
1869 0.8221
1870 0.8221
1871 0.8221
1872 0.8221
1873 0.8221
1874 0.8221
1875 0.8221
1876 0.8221
1877 0.8221
1878 0.8221
1879 0.8221
1880 0.8221
1881 0.8221
1882 0.8221
1883 0.8221
1884 0.8221
1885 0.8221
1886 0.8221
1887 0.8221
1888 0.8221
1889 0.8221
1890 0.8221
1891 0.8221
1892 0.8221
1893 0.8221
1894 0.8221
1895 0.8221
1896 0.8221
1897 0.8221
1898 0.8221
1899 0.8221
1900 0.8221
1901 0.8221
1902 0.8221
1903 0.8221
1904 0.8221
1905 0.8221
1906 0.8221
1907 0.8221
1908 0.8221
1909 0.8221
1910 0.8221
1911 0.8221
1912 0.8221
1913 0.8221
1914 1.991
1915 1.991
1916 1.991
1917 1.991
1918 1.991
1919 1.991
1920 1.991
1921 1.991
1922 1.991
1923 1.991
1924 1.991
1925 1.991
1926 1.991
1927 1.991
1928 1.991
1929 1.991
1930 1.991
1931 1.991
1932 1.991
1933 1.991
1934 1.991
1935 1.991
1936 1.991
1937 1.991
1938 1.991
1939 1.991
1940 1.991
1941 1.991
1942 1.991
1943 1.991
1944 1.991
1945 1.991
1946 1.991
1947 1.991
1948 1.991
1949 1.991
1950 1.991
1951 14.82
1952 7.367
1953 10.45
1954 4.692
1955 6.73
1956 5.965
1957 1.364
1958 -1.781
1959 2.557
1960 9.537
1961 -10.13
1962 13.74
1963 2.195
1964 0.8826
1965 -1.601
1966 6.435
1967 -1.285
1968 6.256
1969 7.899
1970 -0.1872
1971 7.825
1972 0.565
1973 8.049
1974 6.069
1975 -9.948
1976 -6.682
1977 -0.7241
1978 -5.297
1979 -0.3
1980 2.408
1981 2.876
1982 -0.4489
1983 1.373
1984 5.6
1985 0.4595
1986 4.727
1987 2.675
1988 0.5672
1989 -1.357
1990 -6.575
1991 -7.478
1992 -10.48
1993 -13.51
1994 -3.871
1995 0.6943
1996 -1.103
1997 -5.408
1998 -1.737
1999 -4.27
2000 -6.9
2001 -2.1
2002 3.468
2003 5.791
2004 6.64
2005 7.801
2006 5.581
2007 6.258
2008 6.155
2009 2.768
2010 7.189
2011 6.915
2012 6.828
2013 8.113