Year Total
1801 0.01088
1802 0.0108
1803 0.0108
1804 0.01088
1805 0.0108
1806 0.0108
1807 0.01087
1808 0.0108
1809 0.0108
1810 0.01087
1811 0.01079
1812 0.01087
1813 0.01079
1814 0.01087
1815 0.01079
1816 0.01086
1817 0.01079
1818 0.01086
1819 0.01078
1820 0.01086
1821 1.656
1822 1.656
1823 1.656
1824 1.656
1825 1.656
1826 1.656
1827 1.656
1828 1.656
1829 1.656
1830 1.656
1831 1.656
1832 1.656
1833 1.656
1834 1.656
1835 1.656
1836 1.656
1837 1.656
1838 1.656
1839 1.656
1840 1.656
1841 1.656
1842 1.656
1843 1.656
1844 1.656
1845 1.656
1846 1.656
1847 1.656
1848 1.656
1849 1.656
1850 1.656
1851 1.582
1852 1.582
1853 1.582
1854 1.582
1855 1.582
1856 1.582
1857 1.582
1858 1.582
1859 1.582
1860 1.582
1861 1.582
1862 1.582
1863 1.582
1864 1.582
1865 1.582
1866 1.582
1867 1.582
1868 1.582
1869 1.582
1870 1.582
1871 1.509
1872 1.509
1873 1.509
1874 1.509
1875 1.509
1876 1.509
1877 1.509
1878 1.509
1879 1.509
1880 1.509
1881 1.509
1882 1.509
1883 1.509
1884 1.509
1885 1.509
1886 1.509
1887 1.509
1888 1.509
1889 1.509
1890 1.509
1891 0.8585
1892 0.8585
1893 0.8585
1894 0.8585
1895 0.8585
1896 0.8585
1897 9.307
1898 6.481
1899 5.553
1900 5.303
1901 7.314
1902 5.475
1903 6.78
1904 3.373
1905 7.326
1906 7.988
1907 6.266
1908 1.896
1909 1.682
1910 1.73
1911 2.144
1912 3.522
1913 3.333
1914 -0.6089
1915 8.623
1916 10.36
1917 3.691
1918 0.6024
1919 3.321
1920 1.001
1921 4.138
1922 8.616
1923 6.887
1924 9.42
1925 2.642
1926 10.15
1927 1.767
1928 6.454
1929 10.45
1930 -11.46
1931 -8.087
1932 -3.832
1933 11.25
1934 13.54
1935 9.377
1936 4.799
1937 1.355
1938 1.574
1939 0.5414
1940 1.939
1941 0.09752
1942 -2.29
1943 1.579
1944 8.581
1945 3.706
1946 3.85
1947 2.812
1948 3.307
1949 7.541
1950 7.863
1951 7.716
1952 5.155
1953 6.358
1954 2.8
1955 7.433
1956 4.514
1957 4.88
1958 0.3099
1959 0.521
1960 13.83
1961 8.888
1962 7.463
1963 4.636
1964 6.97
1965 6.731
1966 8.435
1967 3.986
1968 -1.072
1969 2.567
1970 7.794
1971 4.468
1972 3.182
1973 5.248
1974 5.262
1975 7.934
1976 1.444
1977 0.00154
1978 0.03224
1979 5.982
1980 4.589
1981 4.419
1982 0.4574
1983 -13.24
1984 4.707
1985 2.033
1986 10.08
1987 8.619
1988 -8.185
1989 -12.21
1990 -5.135
1991 2.393
1992 -1.054
1993 5.492
1994 13.35
1995 8.376
1996 2.146
1997 8.496
1998 0.04935
1999 0.8726
2000 3.049
2001 0.07747
2002 4.78
2003 3.768
2004 2.988
2005 6.166
2006 7.283
2007 7.812
2008 9.271
2009 0.3768
2010 8.296
2011 6.452
2012 5.849
2013 4.606