Year Total
1801 -0.05891
1802 -0.05892
1803 -0.05893
1804 -0.05892
1805 -0.05893
1806 -0.05892
1807 -0.05893
1808 -0.05894
1809 -0.05893
1810 -0.05891
1811 -0.05893
1812 -0.05894
1813 -0.05892
1814 -0.05891
1815 -0.05894
1816 -0.05891
1817 -0.05894
1818 -0.05893
1819 -0.05892
1820 -0.05893
1821 1.676
1822 1.676
1823 1.676
1824 1.676
1825 1.676
1826 1.676
1827 1.676
1828 1.676
1829 1.676
1830 1.676
1831 1.676
1832 1.676
1833 1.676
1834 1.676
1835 1.676
1836 1.676
1837 1.676
1838 1.676
1839 1.676
1840 1.676
1841 1.676
1842 1.676
1843 1.676
1844 1.676
1845 1.676
1846 1.676
1847 1.676
1848 1.676
1849 1.676
1850 1.676
1851 1.676
1852 1.676
1853 1.676
1854 1.676
1855 1.676
1856 1.676
1857 1.676
1858 1.676
1859 1.676
1860 1.676
1861 1.676
1862 1.676
1863 1.676
1864 1.676
1865 1.676
1866 1.676
1867 1.676
1868 1.676
1869 1.676
1870 1.676
1871 2.051
1872 2.051
1873 2.051
1874 2.051
1875 2.051
1876 2.051
1877 2.051
1878 2.051
1879 2.051
1880 2.051
1881 2.051
1882 2.051
1883 2.051
1884 2.051
1885 2.051
1886 2.051
1887 2.051
1888 2.051
1889 2.051
1890 2.051
1891 2.051
1892 2.051
1893 2.051
1894 2.051
1895 2.051
1896 2.051
1897 2.051
1898 2.051
1899 2.051
1900 2.051
1901 2.051
1902 2.051
1903 2.051
1904 2.051
1905 2.051
1906 2.051
1907 2.051
1908 2.051
1909 2.051
1910 2.051
1911 2.051
1912 2.051
1913 2.051
1914 1.583
1915 1.583
1916 1.583
1917 1.583
1918 1.583
1919 1.583
1920 1.583
1921 1.583
1922 1.583
1923 1.583
1924 1.583
1925 1.583
1926 1.583
1927 1.583
1928 1.583
1929 1.583
1930 1.583
1931 1.583
1932 1.583
1933 1.583
1934 1.583
1935 1.583
1936 1.583
1937 1.583
1938 1.583
1939 1.583
1940 1.583
1941 1.583
1942 1.583
1943 1.583
1944 1.583
1945 1.583
1946 1.583
1947 1.583
1948 1.583
1949 1.583
1950 1.583
1951 1.894
1952 2.011
1953 1.926
1954 2.031
1955 2.125
1956 5.049
1957 5.023
1958 5.068
1959 5.089
1960 5.089
1961 6.754
1962 6.963
1963 7.04
1964 6.834
1965 6.719
1966 0.759
1967 -0.962
1968 2.016
1969 7.397
1970 6.887
1971 4.668
1972 2.315
1973 3.045
1974 3.96
1975 10.32
1976 15.61
1977 12.48
1978 6.743
1979 7.086
1980 9.754
1981 2.698
1982 9.66
1983 7
1984 5.427
1985 5.924
1986 2.007
1987 2.627
1988 4.259
1989 2.975
1990 1.912
1991 -3.764
1992 2.939
1993 1.178
1994 3.499
1995 4.161
1996 4.493
1997 4.982
1998 5.227
1999 5.676
2000 5.12
2001 3.331
2002 3.104
2003 3.168
2004 4.112
2005 4.542
2006 6.826
2007 5.626
2008 6.76
2009 4.18
2010 4.553
2011 1.363
2012 1.329
2013 1.789