Year Total
1801 0.2985
1802 0.2985
1803 0.2985
1804 0.2985
1805 0.2985
1806 0.2985
1807 0.2985
1808 0.2985
1809 0.2985
1810 0.2985
1811 0.2985
1812 0.2985
1813 0.2985
1814 0.2985
1815 0.2985
1816 0.2985
1817 0.2985
1818 0.2985
1819 0.2985
1820 0.2985
1821 0.2985
1822 0.2985
1823 0.2985
1824 0.2985
1825 0.2985
1826 0.2985
1827 0.2985
1828 0.2985
1829 0.2985
1830 0.2985
1831 0.2985
1832 0.2985
1833 0.2985
1834 0.2985
1835 0.2985
1836 0.2985
1837 0.2985
1838 0.2985
1839 0.2985
1840 0.2985
1841 0.2985
1842 0.2985
1843 0.2985
1844 0.2985
1845 0.2985
1846 0.2985
1847 0.2985
1848 0.2985
1849 0.2985
1850 0.2985
1851 0.2985
1852 0.2985
1853 0.2985
1854 0.2985
1855 0.2985
1856 0.2985
1857 0.2985
1858 0.2985
1859 0.2985
1860 0.2985
1861 0.2985
1862 0.2985
1863 0.2985
1864 0.2985
1865 0.2985
1866 0.2985
1867 0.2985
1868 0.2985
1869 0.2985
1870 0.2985
1871 0.2985
1872 0.2985
1873 0.2985
1874 0.2985
1875 0.2985
1876 0.2985
1877 0.2985
1878 0.2985
1879 0.2985
1880 0.2985
1881 0.2985
1882 0.2985
1883 0.2985
1884 0.2985
1885 0.2985
1886 0.2985
1887 0.2985
1888 0.2985
1889 0.2985
1890 0.2985
1891 0.2985
1892 0.2985
1893 0.2985
1894 0.2985
1895 0.2985
1896 0.2985
1897 0.2985
1898 0.2985
1899 0.2985
1900 0.2985
1901 0.8378
1902 0.8378
1903 0.8378
1904 0.8378
1905 0.8378
1906 0.8378
1907 0.8378
1908 0.8378
1909 0.8378
1910 0.8378
1911 0.8378
1912 0.8378
1913 0.8378
1914 0.8378
1915 0.8378
1916 0.8378
1917 0.8378
1918 0.8378
1919 0.8378
1920 0.8378
1921 0.8378
1922 2.533
1923 2.533
1924 2.533
1925 2.533
1926 2.533
1927 2.533
1928 2.533
1929 2.533
1930 2.533
1931 2.533
1932 4.113
1933 4.113
1934 4.113
1935 4.113
1936 4.113
1937 4.113
1938 4.113
1939 4.113
1940 4.113
1941 4.113
1942 4.113
1943 4.113
1944 4.113
1945 4.113
1946 4.113
1947 4.113
1948 4.113
1949 4.113
1950 13.35
1951 17.37
1952 -5.76
1953 -4.402
1954 8.324
1955 5.932
1956 5.19
1957 4.551
1958 0.3522
1959 -3.194
1960 8.3
1961 -3.545
1962 8.284
1963 4.352
1964 5.994
1965 4.906
1966 11.95
1967 4.294
1968 0.05322
1969 6.48
1970 -5.072
1971 6.501
1972 5.027
1973 5.203
1974 4.902
1975 -0.3722
1976 4.027
1977 9.178
1978 8.991
1979 3.756
1980 5.591
1981 3.765
1982 3.687
1983 1.366
1984 1.768
1985 4.275
1986 7.167
1987 5.923
1988 6.198
1989 4.695
1990 4.212
1991 1.408
1992 -0.7932
1993 0.3598
1994 2.629
1995 4.405
1996 4.145
1997 0.2703
1998 3.356
1999 2.105
2000 0.4976
2001 4.467
2002 0.5718
2003 2.905
2004 5.104
2005 5.912
2006 6.326
2007 6.993
2008 1.527
2009 2.735
2010 5.764
2011 4.377
2012 4.559
2013 5.591