Year Total
1801 0.8341
1802 0.8341
1803 0.8341
1804 0.8341
1805 0.8341
1806 0.8341
1807 0.8341
1808 0.8341
1809 0.8341
1810 0.8341
1811 0.8341
1812 0.8341
1813 0.8341
1814 0.8341
1815 0.8341
1816 0.8341
1817 0.8341
1818 0.8341
1819 0.8341
1820 0.8341
1821 1.058
1822 1.058
1823 1.058
1824 1.058
1825 1.058
1826 1.058
1827 1.058
1828 1.058
1829 1.058
1830 1.058
1831 1.058
1832 1.058
1833 1.058
1834 1.058
1835 1.058
1836 1.058
1837 1.058
1838 1.058
1839 1.058
1840 1.058
1841 1.058
1842 1.058
1843 1.058
1844 1.058
1845 1.058
1846 1.058
1847 1.058
1848 1.058
1849 1.058
1850 1.058
1851 1.631
1852 1.631
1853 1.631
1854 1.631
1855 1.631
1856 1.631
1857 1.631
1858 1.631
1859 1.631
1860 1.631
1861 1.631
1862 1.631
1863 1.631
1864 1.631
1865 1.631
1866 1.631
1867 1.631
1868 1.631
1869 1.631
1870 1.631
1871 3.094
1872 3.094
1873 3.094
1874 3.094
1875 3.094
1876 3.094
1877 3.094
1878 3.094
1879 3.094
1880 3.094
1881 3.094
1882 3.094
1883 3.094
1884 3.094
1885 3.094
1886 3.094
1887 3.094
1888 3.094
1889 3.094
1890 3.094
1891 2.623
1892 2.623
1893 2.623
1894 2.623
1895 2.623
1896 2.623
1897 2.623
1898 2.623
1899 2.623
1900 2.623
1901 1.707
1902 1.707
1903 1.707
1904 1.707
1905 1.707
1906 1.707
1907 1.707
1908 1.707
1909 1.707
1910 1.707
1911 1.041
1912 1.041
1913 1.041
1914 -0.3167
1915 -0.3167
1916 -0.3167
1917 -0.3167
1918 -0.3167
1919 -0.3167
1920 -0.3167
1921 2.767
1922 3.755
1923 3.812
1924 2.913
1925 2.924
1926 2.732
1927 2.495
1928 2.584
1929 2.515
1930 -4.634
1931 -7.235
1932 -7.8
1933 -2.778
1934 1.429
1935 1.408
1936 2.904
1937 19.14
1938 14.93
1939 8.571
1940 -18.98
1941 -12.25
1942 -15.3
1943 -9.443
1944 -38.12
1945 -0.4473
1946 64.14
1947 14.62
1948 12.16
1949 9.526
1950 6.298
1951 4.902
1952 2.557
1953 5.822
1954 5.493
1955 4.477
1956 3.891
1957 4.722
1958 4.416
1959 2.505
1960 5.158
1961 8.064
1962 -1.06
1963 6.407
1964 4.857
1965 5.85
1966 6.525
1967 3.746
1968 6.105
1969 -0.9775
1970 5.251
1971 7.2
1972 7.346
1973 7.514
1974 5.82
1975 4.632
1976 2.427
1977 1.839
1978 3.665
1979 -1.848
1980 -2.483
1981 -5.272
1982 -0.8497
1983 4.932
1984 3.665
1985 0.9301
1986 3.055
1987 -1.444
1988 2.309
1989 -1.461
1990 -9.75
1991 -7.086
1992 2.434
1993 3.662
1994 5.205
1995 6.883
1996 5.94
1997 6.703
1998 5.416
1999 4.515
2000 4.12
2001 1.148
2002 1.395
2003 3.83
2004 5.336
2005 3.221
2006 6.289
2007 6.928
2008 5.233
2009 1.656
2010 3.864
2011 3.399
2012 1.964
2013 1.603