Year Total
1801 0.02265
1802 0.02265
1803 0.02265
1804 0.02265
1805 0.02265
1806 0.02265
1807 0.02265
1808 0.02265
1809 0.02265
1810 0.02265
1811 0.02265
1812 0.02265
1813 0.02265
1814 0.02265
1815 0.02265
1816 0.02265
1817 0.02265
1818 0.02265
1819 0.02265
1820 0.02265
1821 1.475
1822 1.474
1823 1.475
1824 1.475
1825 1.475
1826 1.475
1827 1.475
1828 1.475
1829 1.475
1830 1.475
1831 1.475
1832 1.475
1833 1.475
1834 1.475
1835 1.475
1836 1.475
1837 1.475
1838 1.475
1839 1.475
1840 1.475
1841 1.475
1842 1.475
1843 1.475
1844 1.475
1845 1.475
1846 1.475
1847 1.475
1848 1.475
1849 1.475
1850 1.475
1851 1.475
1852 1.475
1853 1.475
1854 1.475
1855 1.475
1856 1.475
1857 1.475
1858 1.475
1859 1.475
1860 1.475
1861 1.475
1862 1.475
1863 1.475
1864 1.475
1865 1.475
1866 1.475
1867 1.475
1868 1.475
1869 1.475
1870 1.475
1871 1.475
1872 1.475
1873 1.475
1874 1.475
1875 1.475
1876 1.475
1877 1.475
1878 1.475
1879 1.475
1880 1.475
1881 1.475
1882 1.475
1883 1.475
1884 1.475
1885 1.475
1886 -3.058
1887 17.91
1888 -2.999
1889 -6.238
1890 0.4212
1891 -7.636
1892 10.39
1893 14.27
1894 14.65
1895 -6.689
1896 11.06
1897 -0.8515
1898 3.518
1899 7.001
1900 -1.33
1901 3.352
1902 9.575
1903 -6.121
1904 11.51
1905 -10.75
1906 -3.626
1907 -3.106
1908 10.12
1909 4.692
1910 7.597
1911 -6.838
1912 8.949
1913 5.932
1914 -3.71
1915 3.779
1916 -10.35
1917 -11.46
1918 -38.27
1919 -13.07
1920 1.244
1921 -7.702
1922 17.05
1923 16.14
1924 27.75
1925 26.01
1926 13.22
1927 5.042
1928 6.039
1929 2.009
1930 5.388
1931 1.75
1932 -0.7198
1933 4.629
1934 10.09
1935 15.29
1936 7.695
1937 9.202
1938 0.5522
1939 4.92
1940 -3.363
1941 -1.056
1942 -1.056
1943 -1.056
1944 -1.056
1945 -1.056
1946 -1.056
1947 12.04
1948 13.92
1949 10.13
1950 9.223
1951 1.6
1952 7.849
1953 5.738
1954 6.226
1955 9.805
1956 10.78
1957 3.182
1958 8.792
1959 0.2174
1960 11.19
1961 7.748
1962 4.997
1963 0.07673
1964 15.68
1965 8.19
1966 7.201
1967 6.644
1968 8.079
1969 3.573
1970 10.07
1971 4.944
1972 2.829
1973 10.87
1974 2.418
1975 -0.3073
1976 3.964
1977 1.572
1978 1.698
1979 -1.224
1980 -0.5617
1981 0.2465
1982 1.783
1983 2.542
1984 0.6396
1985 0.4057
1986 3.739
1987 1.02
1988 1.819
1989 1.244
1990 -3.152
1991 -9.039
1992 -32.52
1993 -16.18
1994 -21.35
1995 -12.53
1996 -16.88
1997 1.357
1998 4.78
1999 2.968
2000 7.271
2001 8.934
2002 8.12
2003 8.759
2004 9.2
2005 5.446
2006 5.985
2007 6.817
2008 6.982
2009 3.147
2010 6.767
2011 6.361
2012 6.824
2013 6.751