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 1.56
1823 1.561
1824 1.561
1825 1.561
1826 1.561
1827 1.561
1828 1.561
1829 1.56
1830 1.561
1831 1.561
1832 1.561
1833 1.56
1834 1.561
1835 1.561
1836 1.561
1837 1.561
1838 1.56
1839 1.561
1840 1.561
1841 1.561
1842 1.561
1843 1.56
1844 1.561
1845 1.561
1846 1.561
1847 1.561
1848 1.561
1849 1.561
1850 1.56
1851 1.56
1852 1.561
1853 1.56
1854 1.561
1855 1.561
1856 1.56
1857 1.561
1858 1.561
1859 1.561
1860 1.561
1861 1.561
1862 1.56
1863 1.561
1864 1.561
1865 1.561
1866 1.56
1867 1.561
1868 1.561
1869 1.561
1870 1.561
1871 1.56
1872 1.561
1873 1.561
1874 1.56
1875 1.561
1876 1.561
1877 1.561
1878 1.561
1879 1.56
1880 1.561
1881 1.56
1882 1.561
1883 1.56
1884 1.561
1885 1.561
1886 -2.976
1887 18.01
1888 -2.917
1889 -6.158
1890 0.5062
1891 -7.558
1892 10.48
1893 14.37
1894 14.74
1895 -6.61
1896 11.15
1897 -0.7675
1898 3.605
1899 7.092
1900 -1.247
1901 3.439
1902 9.667
1903 -6.042
1904 11.61
1905 -10.67
1906 -3.544
1907 -3.024
1908 10.21
1909 4.78
1910 7.688
1911 -6.759
1912 9.042
1913 6.021
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 7.986
1924 2.64
1925 5.648
1926 3.679
1927 7.897
1928 6.846
1929 1.279
1930 -0.9798
1931 -2.298
1932 -0.2844
1933 6.933
1934 11.63
1935 4.443
1936 6.995
1937 5.92
1938 5.27
1939 -4.189
1940 -4.625
1941 -0.9725
1942 -0.9724
1943 -0.9725
1944 -0.9724
1945 -0.9725
1946 -0.9725
1947 12.13
1948 14.02
1949 10.23
1950 9.315
1951 -0.09393
1952 5.822
1953 3.657
1954 4.12
1955 7.652
1956 8.628
1957 1.167
1958 6.602
1959 -1.918
1960 8.649
1961 5.032
1962 2.244
1963 -2.55
1964 12.77
1965 5.657
1966 4.891
1967 4.497
1968 5.982
1969 1.548
1970 7.842
1971 2.74
1972 0.6136
1973 8.449
1974 3.418
1975 0.6787
1976 4.994
1977 2.567
1978 2.688
1979 -0.2548
1980 0.4317
1981 1.272
1982 2.839
1983 3.598
1984 1.642
1985 1.354
1986 4.699
1987 1.941
1988 2.665
1989 1.895
1990 -2.785
1991 -10.32
1992 -13.76
1993 -8.072
1994 -2.025
1995 4.118
1996 4.325
1997 10.33
1998 5.163
1999 -0.05079
2000 7.85
2001 6.546
2002 7.488
2003 5.466
2004 8.751
2005 10.71
2006 10.18
2007 7.581
2008 -4.098
2009 -14.07
2010 3.315
2011 8.228
2012 7.547
2013 1.388