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 0.5066
1891 -7.558
1892 10.48
1893 14.37
1894 14.75
1895 -6.61
1896 11.15
1897 -0.7671
1898 3.606
1899 7.092
1900 -1.246
1901 3.44
1902 9.668
1903 -6.041
1904 11.61
1905 -10.67
1906 -3.544
1907 -3.024
1908 10.21
1909 4.781
1910 7.688
1911 -6.759
1912 9.042
1913 6.022
1914 -3.628
1915 3.867
1916 -10.27
1917 -11.39
1918 -19.26
1919 -7.152
1920 31.2
1921 16.06
1922 16.06
1923 7.987
1924 2.641
1925 5.648
1926 3.68
1927 7.897
1928 6.847
1929 1.279
1930 -0.9793
1931 -2.298
1932 -0.2838
1933 6.934
1934 11.63
1935 4.444
1936 6.995
1937 5.921
1938 5.27
1939 -4.188
1940 -4.625
1941 -0.9719
1942 -0.972
1943 -0.972
1944 -0.972
1945 -0.9719
1946 -0.972
1947 12.13
1948 14.02
1949 10.23
1950 9.316
1951 -1.168
1952 5.005
1953 3.116
1954 3.787
1955 7.48
1956 8.589
1957 1.225
1958 6.734
1959 -1.75
1960 8.867
1961 5.256
1962 2.457
1963 -2.366
1964 12.94
1965 5.773
1966 4.953
1967 4.51
1968 5.963
1969 1.524
1970 7.829
1971 2.739
1972 0.622
1973 8.485
1974 2.942
1975 0.266
1976 4.629
1977 2.264
1978 2.404
1979 -0.5605
1980 0.06247
1981 0.8393
1982 2.357
1983 3.079
1984 1.114
1985 0.8278
1986 4.126
1987 1.372
1988 2.192
1989 1.669
1990 -2.68
1991 -5.83
1992 -21.43
1993 -16.32
1994 -10.09
1995 4.7
1996 4.126
1997 6.315
1998 6.574
1999 -2.35
2000 3.316
2001 6.03
2002 6.638
2003 9.614
2004 7.194
2005 7.422
2006 7.884
2007 9.786
2008 2.86
2009 -14.85
2010 2.606
2011 14.27
2012 4.582
2013 3.357