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 1.558
1822 1.558
1823 1.558
1824 1.558
1825 1.558
1826 1.558
1827 1.558
1828 1.558
1829 1.558
1830 1.558
1831 1.558
1832 1.558
1833 1.558
1834 1.558
1835 1.558
1836 1.558
1837 1.558
1838 1.558
1839 1.558
1840 1.558
1841 1.558
1842 1.558
1843 1.558
1844 1.558
1845 1.558
1846 1.558
1847 1.558
1848 1.558
1849 1.558
1850 1.558
1851 1.558
1852 1.558
1853 1.558
1854 1.558
1855 1.558
1856 1.558
1857 1.558
1858 1.558
1859 1.558
1860 1.558
1861 1.558
1862 1.558
1863 1.558
1864 1.558
1865 1.558
1866 1.558
1867 1.558
1868 1.558
1869 1.558
1870 1.558
1871 1.558
1872 1.558
1873 1.558
1874 1.558
1875 1.558
1876 1.558
1877 1.558
1878 1.558
1879 1.558
1880 1.558
1881 1.558
1882 1.558
1883 1.558
1884 1.558
1885 1.558
1886 -2.979
1887 18
1888 -2.92
1889 -6.161
1890 0.5035
1891 -7.561
1892 10.48
1893 14.37
1894 14.74
1895 -6.612
1896 11.15
1897 -0.7702
1898 3.603
1899 7.089
1900 -1.249
1901 3.437
1902 9.664
1903 -6.044
1904 11.6
1905 -10.67
1906 -3.547
1907 -3.027
1908 10.21
1909 4.777
1910 7.685
1911 -6.762
1912 9.039
1913 6.018
1914 -3.631
1915 3.864
1916 -10.28
1917 -11.39
1918 -38.22
1919 -12.99
1920 1.327
1921 -7.627
1922 17.15
1923 16.24
1924 27.85
1925 26.12
1926 13.31
1927 5.128
1928 6.126
1929 2.093
1930 5.475
1931 1.833
1932 -0.6385
1933 4.714
1934 10.18
1935 15.39
1936 7.783
1937 9.292
1938 0.6346
1939 5.006
1940 -3.284
1941 -0.9751
1942 -0.9751
1943 -0.9751
1944 -0.9751
1945 -0.9751
1946 -0.9751
1947 12.13
1948 14.02
1949 10.22
1950 9.312
1951 0.635
1952 7.886
1953 6.576
1954 7.633
1955 11.61
1956 12.75
1957 4.988
1958 10.5
1959 1.498
1960 12.19
1961 8.178
1962 4.998
1963 -0.253
1964 15.02
1965 7.376
1966 6.211
1967 5.47
1968 6.725
1969 2.149
1970 8.454
1971 3.324
1972 1.177
1973 9.049
1974 2.49
1975 -0.2393
1976 4.034
1977 1.635
1978 1.754
1979 -1.179
1980 -0.5262
1981 0.2827
1982 1.817
1983 2.545
1984 0.5814
1985 0.2696
1986 3.524
1987 0.7548
1988 1.501
1989 0.8691
1990 -3.58
1991 -11.66
1992 -5.986
1993 -9.463
1994 -12.09
1995 -7.572
1996 0.3061
1997 1.595
1998 -1.785
1999 2.563
2000 9.265
2001 12.9
2002 9.648
2003 9.501
2004 9.727
2005 10.56
2006 10.66
2007 8.795
2008 3.225
2009 1.052
2010 6.749
2011 6.578
2012 4.638
2013 5.522