Year Total
1801 0.1039
1802 0.1039
1803 0.1039
1804 0.1039
1805 0.1039
1806 0.1039
1807 0.1039
1808 0.1039
1809 0.1039
1810 0.1039
1811 0.1039
1812 0.1039
1813 0.1039
1814 0.1039
1815 0.1039
1816 0.1039
1817 0.1039
1818 0.1039
1819 0.1039
1820 0.1039
1821 1.091
1822 1.091
1823 1.091
1824 1.091
1825 1.091
1826 1.091
1827 1.091
1828 1.091
1829 1.091
1830 1.091
1831 1.091
1832 1.091
1833 1.091
1834 1.091
1835 1.091
1836 1.091
1837 1.091
1838 1.091
1839 1.091
1840 1.091
1841 1.091
1842 1.091
1843 1.091
1844 1.091
1845 1.091
1846 1.091
1847 1.091
1848 1.091
1849 1.091
1850 1.091
1851 1.091
1852 1.091
1853 1.091
1854 1.091
1855 1.091
1856 1.091
1857 1.091
1858 1.091
1859 1.091
1860 1.091
1861 1.091
1862 1.091
1863 1.091
1864 1.091
1865 1.091
1866 1.091
1867 1.091
1868 1.091
1869 1.091
1870 1.091
1871 2.621
1872 2.621
1873 2.621
1874 2.621
1875 2.621
1876 2.621
1877 2.622
1878 2.621
1879 2.621
1880 2.621
1881 2.621
1882 2.621
1883 2.621
1884 2.621
1885 2.621
1886 2.621
1887 2.621
1888 2.621
1889 2.621
1890 2.621
1891 1.567
1892 1.567
1893 1.567
1894 1.567
1895 1.567
1896 1.567
1897 1.567
1898 1.567
1899 1.567
1900 1.567
1901 2.495
1902 2.495
1903 2.495
1904 2.495
1905 2.495
1906 2.495
1907 2.495
1908 2.495
1909 2.495
1910 2.495
1911 0.8838
1912 0.8838
1913 0.8838
1914 0.5285
1915 0.5285
1916 0.5285
1917 0.5285
1918 0.5285
1919 0.5285
1920 0.5285
1921 1.878
1922 2.368
1923 4.633
1924 6.599
1925 4.345
1926 6.4
1927 -2.161
1928 8.21
1929 4.715
1930 -2.498
1931 -3.531
1932 -9.762
1933 2.592
1934 3.204
1935 -2
1936 12.42
1937 1.151
1938 7.457
1939 4.998
1940 -0.00417
1941 -0.00418
1942 -0.00419
1943 -0.00417
1944 -0.00419
1945 -0.00418
1946 -0.00418
1947 -0.00417
1948 18.75
1949 9.346
1950 -6.774
1951 4.229
1952 -7.61
1953 15.01
1954 5.569
1955 6.257
1956 -1.999
1957 16.86
1958 4.268
1959 12.28
1960 6.264
1961 4.351
1962 1.707
1963 10.21
1964 9.385
1965 2.448
1966 5.115
1967 1.529
1968 1.947
1969 11.09
1970 4.793
1971 11.44
1972 3.38
1973 3.378
1974 12.92
1975 0.04686
1976 3.103
1977 7.321
1978 5.618
1979 6.95
1980 5.117
1981 1.997
1982 0.857
1983 1.017
1984 2.652
1985 0.9005
1986 4.131
1987 -1.122
1988 -1.342
1989 -1.021
1990 -6.763
1991 -6.991
1992 -27.14
1993 -29.46
1994 3.804
1995 6.553
1996 5.19
1997 7.818
1998 2.507
1999 -22.84
2000 4.324
2001 4.444
2002 3.61
2003 2.116
2004 8.086
2005 6.103
2006 3.794
2007 5.798
2008 4.332
2009 -3.013
2010 -1.339
2011 0.667
2012 -1.118
2013 2.336