Year Total
1801 0.1711
1802 0.1711
1803 0.1711
1804 0.1711
1805 0.1711
1806 0.1711
1807 0.1711
1808 0.1711
1809 0.1711
1810 0.1711
1811 0.1711
1812 0.1711
1813 0.1711
1814 0.1711
1815 0.1711
1816 0.1711
1817 0.1711
1818 0.1711
1819 0.1711
1820 0.1711
1821 0.3815
1822 0.3815
1823 0.3815
1824 0.3815
1825 0.3815
1826 0.3815
1827 0.3815
1828 0.3815
1829 0.3815
1830 0.3815
1831 0.3815
1832 0.3815
1833 0.3815
1834 0.3815
1835 0.3815
1836 0.3815
1837 0.3815
1838 0.3815
1839 0.3815
1840 0.3815
1841 0.3815
1842 0.3815
1843 0.3815
1844 0.3815
1845 0.3815
1846 0.3815
1847 0.3815
1848 0.3815
1849 0.3815
1850 0.3815
1851 0.3834
1852 0.3834
1853 0.3834
1854 0.3834
1855 0.3834
1856 0.3834
1857 0.3834
1858 0.3834
1859 0.3834
1860 0.3834
1861 0.3834
1862 0.3834
1863 0.3834
1864 0.3834
1865 0.3834
1866 0.3834
1867 0.3834
1868 0.3834
1869 0.3834
1870 0.3834
1871 0.6303
1872 0.6303
1873 0.6303
1874 0.6303
1875 0.6303
1876 0.6303
1877 0.6303
1878 0.6303
1879 0.6303
1880 0.6303
1881 0.6303
1882 0.6303
1883 0.6303
1884 0.6303
1885 3.356
1886 -2.959
1887 4.783
1888 1.134
1889 -2.507
1890 4.879
1891 -8.992
1892 8.273
1893 2.764
1894 1.763
1895 -2.239
1896 -7.164
1897 18.54
1898 0.4308
1899 -7.579
1900 3.742
1901 1.847
1902 8.116
1903 1.207
1904 0.2596
1905 -2.021
1906 2.64
1907 -6.251
1908 1.224
1909 13.51
1910 -0.03787
1911 -0.4474
1912 0.1051
1913 -1.957
1914 5.959
1915 -1.965
1916 3.404
1917 -1.343
1918 -12.37
1919 14.36
1920 -7.481
1921 7.607
1922 3.766
1923 -3.697
1924 4.435
1925 0.7414
1926 2.678
1927 -0.4097
1928 0.5648
1929 3.676
1930 0.9905
1931 -0.7388
1932 1
1933 -0.03822
1934 0.8176
1935 -1.067
1936 3.754
1937 -1.752
1938 0.1271
1939 2.083
1940 3.188
1941 1.931
1942 -0.4654
1943 3.956
1944 -1.052
1945 -1.618
1946 -5.26
1947 0.8215
1948 1.052
1949 2.642
1950 3.857
1951 2.348
1952 2.816
1953 6.235
1954 4.123
1955 2.475
1956 5.685
1957 -1.143
1958 7.385
1959 2.203
1960 7.15
1961 2.735
1962 2.017
1963 4.879
1964 7.643
1965 -4.146
1966 1.003
1967 8.216
1968 2.426
1969 6.802
1970 5.091
1971 0.9177
1972 -0.3447
1973 4.731
1974 1.203
1975 8.93
1976 1.484
1977 7.845
1978 5.56
1979 -5.061
1980 7.296
1981 6.521
1982 3.242
1983 8.255
1984 3.929
1985 4.095
1986 4.376
1987 4.386
1988 10.49
1989 6.689
1990 5.237
1991 1.615
1992 5.364
1993 6.077
1994 7.377
1995 7.424
1996 7.871
1997 4.791
1998 6.479
1999 6.018
2000 4.284
2001 5.663
2002 3.408
2003 8.357
2004 8.387
2005 7.97
2006 9.617
2007 9.218
2008 7.125
2009 5.074
2010 11.22
2011 7.747
2012 4.756
2013 4.37