Year Total
1801 0.1659
1802 0.1659
1803 0.1659
1804 0.1659
1805 0.1659
1806 0.1659
1807 0.1659
1808 0.1659
1809 0.1659
1810 0.1659
1811 0.1659
1812 0.1659
1813 0.1659
1814 0.1659
1815 0.1659
1816 0.1659
1817 0.1659
1818 0.1659
1819 0.1659
1820 0.1659
1821 1.563
1822 1.563
1823 1.563
1824 1.563
1825 1.563
1826 1.563
1827 1.563
1828 1.563
1829 1.563
1830 1.564
1831 1.563
1832 1.563
1833 1.563
1834 1.563
1835 1.563
1836 1.563
1837 1.563
1838 1.563
1839 1.563
1840 1.563
1841 1.563
1842 1.563
1843 1.563
1844 1.563
1845 1.563
1846 1.563
1847 1.563
1848 1.563
1849 1.564
1850 1.563
1851 1.563
1852 1.563
1853 1.563
1854 1.563
1855 1.563
1856 1.563
1857 1.564
1858 1.563
1859 1.563
1860 1.563
1861 1.564
1862 1.563
1863 1.564
1864 1.563
1865 1.563
1866 1.563
1867 1.563
1868 1.563
1869 1.563
1870 1.563
1871 1.564
1872 1.563
1873 1.563
1874 1.563
1875 1.563
1876 1.564
1877 1.563
1878 1.563
1879 1.563
1880 1.563
1881 1.563
1882 1.563
1883 1.563
1884 1.563
1885 1.563
1886 1.563
1887 1.563
1888 1.563
1889 1.563
1890 1.563
1891 1.563
1892 1.563
1893 1.564
1894 1.563
1895 1.563
1896 1.563
1897 1.563
1898 1.563
1899 1.563
1900 1.563
1901 1.563
1902 1.563
1903 1.563
1904 1.563
1905 1.563
1906 1.563
1907 1.563
1908 1.563
1909 1.563
1910 1.563
1911 1.563
1912 1.563
1913 1.563
1914 1.563
1915 1.563
1916 1.563
1917 1.563
1918 1.563
1919 1.563
1920 1.563
1921 1.563
1922 1.563
1923 1.563
1924 1.563
1925 1.563
1926 1.563
1927 1.563
1928 1.563
1929 1.563
1930 1.563
1931 1.563
1932 1.563
1933 1.563
1934 1.563
1935 1.563
1936 1.563
1937 1.563
1938 1.563
1939 1.563
1940 1.563
1941 1.563
1942 1.563
1943 1.563
1944 1.563
1945 1.563
1946 1.563
1947 1.563
1948 1.563
1949 1.563
1950 1.563
1951 1.203
1952 1.098
1953 1.031
1954 0.9894
1955 0.9623
1956 0.936
1957 0.8978
1958 0.8387
1959 0.7516
1960 0.6417
1961 0.7427
1962 -3.706
1963 -0.3219
1964 1.549
1965 6.095
1966 9.95
1967 6.267
1968 9.601
1969 5.985
1970 12.31
1971 3.116
1972 6.194
1973 9.774
1974 9.599
1975 18.9
1976 16
1977 10.61
1978 9.6
1979 9.782
1980 7.603
1981 4.752
1982 4.437
1983 2.063
1984 4.053
1985 5.849
1986 3.998
1987 4.143
1988 8.556
1989 8.329
1990 6.453
1991 6.476
1992 4.861
1993 4.58
1994 5.741
1995 5.931
1996 4.165
1997 4.573
1998 3.46
1999 3.686
2000 6.312
2001 -1.79
2002 2.482
2003 -0.3467
2004 0.1249
2005 3.23
2006 2.434
2007 3.74
2008 3.588
2009 -3.112
2010 3.01
2011 1.58
2012 1.047
2013 2.582