Year Total
1801 0.1043
1802 0.1043
1803 0.1043
1804 0.1043
1805 0.1043
1806 0.1043
1807 0.1043
1808 0.1043
1809 0.1043
1810 0.1043
1811 0.1043
1812 0.1043
1813 0.1043
1814 0.1043
1815 0.1043
1816 0.1043
1817 0.1043
1818 0.1043
1819 0.1043
1820 0.1043
1821 1.561
1822 1.561
1823 1.561
1824 1.561
1825 1.561
1826 1.561
1827 1.561
1828 1.561
1829 1.561
1830 1.561
1831 1.561
1832 1.561
1833 1.561
1834 1.561
1835 1.561
1836 1.561
1837 1.561
1838 1.561
1839 1.561
1840 1.561
1841 1.561
1842 1.561
1843 1.561
1844 1.561
1845 1.561
1846 1.561
1847 1.561
1848 1.561
1849 1.561
1850 1.561
1851 1.561
1852 1.561
1853 1.561
1854 1.561
1855 1.561
1856 1.561
1857 1.561
1858 1.561
1859 1.561
1860 1.561
1861 1.561
1862 1.561
1863 1.561
1864 1.561
1865 1.561
1866 1.561
1867 1.561
1868 1.561
1869 1.561
1870 1.561
1871 1.561
1872 1.561
1873 1.561
1874 1.561
1875 1.561
1876 1.561
1877 1.561
1878 1.561
1879 1.561
1880 1.561
1881 1.561
1882 1.561
1883 1.561
1884 1.561
1885 1.561
1886 -2.976
1887 18.01
1888 -2.917
1889 -6.158
1890 0.5068
1891 -7.558
1892 10.48
1893 14.37
1894 14.75
1895 -6.609
1896 11.15
1897 -0.767
1898 3.606
1899 7.093
1900 -1.246
1901 3.44
1902 9.668
1903 -6.041
1904 11.61
1905 -10.67
1906 -3.543
1907 -3.023
1908 10.21
1909 4.781
1910 7.688
1911 -6.759
1912 9.042
1913 6.022
1914 -3.628
1915 3.868
1916 -10.27
1917 -11.39
1918 -38.22
1919 -12.99
1920 1.331
1921 -7.624
1922 17.15
1923 16.24
1924 27.86
1925 26.12
1926 13.31
1927 5.131
1928 6.13
1929 2.096
1930 5.478
1931 1.836
1932 -0.6352
1933 4.718
1934 10.18
1935 15.39
1936 7.787
1937 9.295
1938 0.638
1939 5.01
1940 -3.281
1941 -0.9719
1942 -0.9719
1943 -0.9718
1944 -0.9718
1945 -0.9719
1946 -0.9718
1947 12.13
1948 14.02
1949 10.23
1950 9.316
1951 0.164
1952 6.73
1953 5.037
1954 5.882
1955 9.761
1956 10.96
1957 3.471
1958 9.115
1959 0.4365
1960 11.27
1961 7.542
1962 4.635
1963 -0.3476
1964 15.21
1965 7.828
1966 6.93
1967 6.427
1968 7.88
1969 3.359
1970 9.79
1971 4.622
1972 2.474
1973 10.48
1974 2.281
1975 -0.3926
1976 3.932
1977 1.577
1978 1.701
1979 -1.268
1980 -0.6803
1981 0.07293
1982 1.574
1983 2.278
1984 0.3071
1985 0.00428
1986 3.216
1987 0.4553
1988 1.375
1989 1.139
1990 -2.816
1991 -4.414
1992 -14.53
1993 2.111
1994 -16.95
1995 -7.028
1996 6.59
1997 -11.73
1998 6.49
1999 15.71
2000 5.336
2001 3.32
2002 1.001
2003 5.954
2004 13.81
2005 8.206
2006 10.46
2007 10.61
2008 14.32
2009 5.763
2010 8.785
2011 14.26
2012 10.72
2013 9.779