Year Total
1801 0.1659
1802 0.1659
1803 0.1659
1804 0.1659
1805 0.1659
1806 0.1659
1807 0.1659
1808 0.1659
1809 0.1659
1810 0.1659
1811 0.1659
1812 0.1659
1813 0.1659
1814 0.1659
1815 0.1659
1816 0.1659
1817 0.1659
1818 0.1659
1819 0.1659
1820 0.1659
1821 1.834
1822 1.835
1823 1.834
1824 1.835
1825 1.834
1826 1.835
1827 1.834
1828 1.834
1829 1.835
1830 1.834
1831 1.834
1832 1.835
1833 1.835
1834 1.834
1835 1.835
1836 1.834
1837 1.834
1838 1.834
1839 1.835
1840 1.834
1841 1.835
1842 1.835
1843 1.834
1844 1.834
1845 1.834
1846 1.835
1847 1.834
1848 1.835
1849 1.834
1850 1.834
1851 1.835
1852 1.834
1853 1.834
1854 1.834
1855 1.835
1856 1.835
1857 1.834
1858 1.834
1859 1.834
1860 1.834
1861 1.835
1862 1.834
1863 1.834
1864 1.834
1865 1.835
1866 1.834
1867 1.835
1868 1.834
1869 1.834
1870 1.835
1871 1.834
1872 1.835
1873 1.834
1874 1.835
1875 1.834
1876 1.835
1877 1.834
1878 1.834
1879 1.835
1880 1.834
1881 1.835
1882 1.834
1883 1.835
1884 1.834
1885 1.835
1886 1.834
1887 1.834
1888 1.834
1889 1.834
1890 1.835
1891 1.834
1892 1.835
1893 1.834
1894 1.834
1895 1.835
1896 1.834
1897 1.834
1898 1.835
1899 1.835
1900 1.835
1901 1.834
1902 1.835
1903 1.834
1904 1.834
1905 1.835
1906 1.834
1907 1.834
1908 1.835
1909 1.834
1910 1.834
1911 1.835
1912 1.834
1913 1.834
1914 4.601
1915 4.601
1916 4.601
1917 4.601
1918 4.601
1919 4.601
1920 4.6
1921 4.601
1922 4.601
1923 4.6
1924 4.601
1925 4.6
1926 4.601
1927 4.601
1928 4.601
1929 4.601
1930 4.601
1931 4.6
1932 4.601
1933 4.601
1934 4.601
1935 4.601
1936 4.601
1937 4.601
1938 4.601
1939 4.601
1940 4.601
1941 4.601
1942 4.6
1943 4.601
1944 4.601
1945 4.601
1946 4.601
1947 4.601
1948 4.601
1949 4.601
1950 4.601
1951 -6.571
1952 6.439
1953 3.557
1954 -1.136
1955 4.485
1956 5.013
1957 5.91
1958 0.7536
1959 0.359
1960 4.097
1961 4.179
1962 1.726
1963 1.669
1964 9.557
1965 1.28
1966 0.5439
1967 -0.5612
1968 4.599
1969 11.03
1970 1.552
1971 2.668
1972 6.667
1973 8.523
1974 4.616
1975 -6.652
1976 2.54
1977 1.867
1978 3.857
1979 2.731
1980 0.5867
1981 -0.6543
1982 0.9894
1983 3.036
1984 6.393
1985 3.129
1986 10.12
1987 4.143
1988 9.125
1989 10.01
1990 5.357
1991 9.01
1992 1.532
1993 4.038
1994 4.068
1995 1.174
1996 3.206
1997 8.934
1998 7.498
1999 7.742
2000 8.919
2001 0.9363
2002 1.537
2003 2.169
2004 4.074
2005 5.514
2006 5.232
2007 7.14
2008 -0.1908
2009 -3.706
2010 2.997
2011 0.99
2012 -1.045
2013 1.272