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 1.562
1822 1.562
1823 1.562
1824 1.562
1825 1.562
1826 1.562
1827 1.562
1828 1.562
1829 1.562
1830 1.562
1831 1.562
1832 1.562
1833 1.562
1834 1.562
1835 1.562
1836 1.562
1837 1.562
1838 1.562
1839 1.562
1840 1.562
1841 1.562
1842 1.562
1843 1.562
1844 1.562
1845 1.562
1846 1.562
1847 1.562
1848 1.562
1849 1.562
1850 1.562
1851 1.562
1852 1.562
1853 1.562
1854 1.562
1855 1.562
1856 1.562
1857 1.562
1858 1.562
1859 1.562
1860 1.562
1861 1.562
1862 1.562
1863 1.562
1864 1.562
1865 1.562
1866 1.562
1867 1.562
1868 1.562
1869 1.562
1870 1.562
1871 1.562
1872 1.562
1873 1.562
1874 1.562
1875 1.562
1876 1.562
1877 1.562
1878 1.562
1879 1.562
1880 1.562
1881 1.562
1882 1.562
1883 1.562
1884 1.562
1885 1.562
1886 -2.975
1887 18.01
1888 -2.916
1889 -6.157
1890 0.5073
1891 -7.557
1892 10.48
1893 14.37
1894 14.75
1895 -6.609
1896 11.15
1897 -0.7664
1898 3.607
1899 7.093
1900 -1.246
1901 3.441
1902 9.669
1903 -6.041
1904 11.61
1905 -10.67
1906 -3.543
1907 -3.023
1908 10.22
1909 4.781
1910 7.689
1911 -6.758
1912 9.043
1913 6.022
1914 -3.627
1915 3.868
1916 -10.27
1917 -11.39
1918 -19.26
1919 -7.151
1920 31.2
1921 16.06
1922 16.06
1923 7.987
1924 2.642
1925 5.649
1926 3.68
1927 7.898
1928 6.847
1929 1.28
1930 -0.9786
1931 -2.297
1932 -0.2832
1933 6.934
1934 11.63
1935 4.445
1936 6.996
1937 5.922
1938 5.271
1939 -4.187
1940 -4.624
1941 -0.9713
1942 -0.9713
1943 -0.9713
1944 -0.9713
1945 -0.9713
1946 -0.9713
1947 12.13
1948 14.02
1949 10.23
1950 9.317
1951 -0.9536
1952 5.214
1953 3.312
1954 3.98
1955 7.673
1956 8.769
1957 1.366
1958 6.839
1959 -1.711
1960 8.831
1961 5.14
1962 2.275
1963 -2.583
1964 12.68
1965 5.53
1966 4.725
1967 4.29
1968 5.744
1969 1.31
1970 7.591
1971 2.506
1972 0.3906
1973 8.224
1974 4.752
1975 6.667
1976 4.828
1977 2.349
1978 2.385
1979 5.214
1980 3.928
1981 4.093
1982 2.218
1983 5.09
1984 5.766
1985 -0.2878
1986 5.012
1987 2.706
1988 5.371
1989 5.573
1990 -7.537
1991 -12.91
1992 -32.2
1993 -4.833
1994 2.011
1995 -1.105
1996 3.551
1997 9.039
1998 5.624
1999 4.818
2000 6.941
2001 7.834
2002 6.659
2003 7.04
2004 8.566
2005 10.53
2006 11.64
2007 9.996
2008 -2.972
2009 -16.99
2010 0.6194
2011 7.384
2012 6.501
2013 4.034