Year Total
1801 0.2683
1802 0.2683
1803 0.2683
1804 0.2683
1805 0.2683
1806 0.2683
1807 0.2683
1808 0.2683
1809 0.2683
1810 0.2683
1811 0.2683
1812 0.2683
1813 0.2683
1814 0.2683
1815 0.2683
1816 0.2683
1817 0.2683
1818 0.2683
1819 0.2683
1820 0.2683
1821 0.9985
1822 0.9986
1823 0.9987
1824 0.9984
1825 0.9987
1826 0.9986
1827 0.9985
1828 0.9987
1829 0.9985
1830 0.9986
1831 0.9984
1832 0.9987
1833 0.9984
1834 0.9986
1835 0.9985
1836 0.9987
1837 0.9985
1838 0.9986
1839 0.9986
1840 0.9986
1841 0.9983
1842 0.9988
1843 0.9984
1844 0.9988
1845 0.9983
1846 0.9986
1847 0.9986
1848 0.9986
1849 0.9985
1850 0.9987
1851 0.9985
1852 0.9986
1853 0.9986
1854 0.9986
1855 0.9986
1856 0.9985
1857 0.9986
1858 0.9987
1859 0.9985
1860 0.9987
1861 0.9985
1862 0.9986
1863 0.9985
1864 0.9986
1865 0.9987
1866 0.9984
1867 0.9986
1868 0.9986
1869 0.9987
1870 0.9986
1871 0.9986
1872 0.9986
1873 0.9986
1874 0.9985
1875 0.9986
1876 0.9987
1877 0.9985
1878 0.9987
1879 0.9984
1880 0.9986
1881 0.9986
1882 0.9987
1883 0.9985
1884 0.9987
1885 0.9986
1886 0.9985
1887 0.9985
1888 0.9987
1889 0.9985
1890 0.9985
1891 0.9988
1892 0.9984
1893 0.9986
1894 0.9986
1895 0.9985
1896 0.9986
1897 0.9985
1898 0.9987
1899 0.9985
1900 0.9986
1901 0.9987
1902 0.9985
1903 0.9987
1904 0.9985
1905 0.9987
1906 0.9984
1907 0.9986
1908 0.9986
1909 0.9986
1910 0.9986
1911 0.9985
1912 0.9986
1913 0.9986
1914 2.961
1915 2.961
1916 2.961
1917 2.961
1918 2.961
1919 2.961
1920 2.961
1921 2.961
1922 2.961
1923 2.961
1924 2.961
1925 2.961
1926 2.961
1927 2.961
1928 2.961
1929 2.961
1930 2.961
1931 2.961
1932 2.961
1933 2.961
1934 2.961
1935 2.961
1936 2.961
1937 2.961
1938 2.961
1939 2.961
1940 2.961
1941 2.961
1942 2.961
1943 2.961
1944 2.961
1945 2.961
1946 2.961
1947 2.961
1948 2.961
1949 2.961
1950 2.961
1951 4.059
1952 4.031
1953 3.994
1954 4.041
1955 4.074
1956 4.013
1957 4.045
1958 4.07
1959 4.091
1960 3.746
1961 18.26
1962 -1.525
1963 -4.616
1964 3.487
1965 4.816
1966 6.32
1967 12.6
1968 9.869
1969 11.29
1970 12.72
1971 9.029
1972 4.136
1973 17.36
1974 -0.8212
1975 -0.8625
1976 4.754
1977 -7.365
1978 6.018
1979 11.26
1980 12.68
1981 21.22
1982 23.57
1983 5.61
1984 7.219
1985 -1.153
1986 -6.882
1987 0.1894
1988 1.766
1989 1.765
1990 1.003
1991 2.395
1992 2.612
1993 -0.9797
1994 -5.493
1995 3.985
1996 4.29
1997 -0.6248
1998 3.738
1999 -2.582
2000 7.574
2001 3.81
2002 4.583
2003 0.808
2004 3.57
2005 7.647
2006 6.241
2007 -1.593
2008 5.929
2009 7.501
2010 8.714
2011 4.46
2012 3.161
2013 4.473