Year Total
1801 0.08683
1802 0.08683
1803 0.08683
1804 0.08683
1805 0.08683
1806 0.08683
1807 0.08683
1808 0.08683
1809 0.08683
1810 0.08683
1811 0.08683
1812 0.08683
1813 0.08683
1814 0.08683
1815 0.08683
1816 0.08683
1817 0.08683
1818 0.08683
1819 0.08683
1820 0.08683
1821 0.8755
1822 0.8764
1823 0.8755
1824 0.8745
1825 0.8769
1826 0.8742
1827 0.8765
1828 0.8754
1829 0.8759
1830 0.8747
1831 0.8767
1832 0.8754
1833 0.8757
1834 0.8744
1835 0.8762
1836 0.8763
1837 0.8748
1838 0.8749
1839 0.8765
1840 0.8749
1841 0.8763
1842 0.8761
1843 0.8745
1844 0.8757
1845 0.8754
1846 0.8766
1847 0.8747
1848 0.8758
1849 0.8753
1850 0.8762
1851 0.8756
1852 0.875
1853 0.8758
1854 0.8751
1855 0.8758
1856 0.8763
1857 0.8755
1858 0.876
1859 0.8751
1860 0.8755
1861 0.8758
1862 0.8761
1863 0.875
1864 0.8752
1865 0.8765
1866 0.8754
1867 0.8754
1868 0.8754
1869 0.8753
1870 0.8764
1871 0.875
1872 0.876
1873 0.8757
1874 0.8754
1875 0.8751
1876 0.8758
1877 0.8754
1878 0.876
1879 0.8755
1880 0.876
1881 0.8754
1882 0.8758
1883 0.8751
1884 0.8755
1885 0.8757
1886 0.876
1887 0.8751
1888 0.8763
1889 0.8753
1890 0.8753
1891 0.8753
1892 0.8763
1893 0.8752
1894 0.876
1895 0.8758
1896 0.8755
1897 0.8752
1898 0.8759
1899 0.8755
1900 0.875
1901 0.8755
1902 0.8759
1903 0.8754
1904 0.8757
1905 0.8759
1906 0.8752
1907 0.8754
1908 0.8764
1909 0.8756
1910 0.8756
1911 0.8756
1912 0.8755
1913 0.8754
1914 0.8752
1915 0.8758
1916 0.8755
1917 0.8761
1918 0.8757
1919 0.8753
1920 0.8757
1921 0.8752
1922 0.8762
1923 0.8748
1924 0.8758
1925 0.8759
1926 0.8752
1927 0.876
1928 0.8752
1929 0.8759
1930 0.8757
1931 0.8756
1932 0.8753
1933 0.8758
1934 0.8755
1935 0.8751
1936 0.8762
1937 0.875
1938 0.8759
1939 0.8754
1940 0.8755
1941 0.8756
1942 0.8756
1943 0.8756
1944 0.8755
1945 0.876
1946 0.8752
1947 0.8756
1948 0.876
1949 0.8757
1950 0.8753
1951 6.422
1952 3.555
1953 4.083
1954 5.734
1955 3.14
1956 3.68
1957 3.537
1958 2.571
1959 5.403
1960 8.105
1961 0.5732
1962 8.472
1963 20.64
1964 7.096
1965 -0.5762
1966 10.7
1967 10.54
1968 0.02543
1969 -2.373
1970 2.445
1971 4.281
1972 2.21
1973 7.322
1974 3.039
1975 6.576
1976 0.2913
1977 3.974
1978 3.041
1979 9.564
1980 7.384
1981 3.865
1982 6.384
1983 4.821
1984 4.11
1985 2.28
1986 1.867
1987 1.638
1988 2.688
1989 -1.637
1990 0.8525
1991 1.781
1992 3.468
1993 3.006
1994 -5.277
1995 3.61
1996 -1.341
1997 4.216
1998 1.153
1999 1.924
2000 1.418
2001 3.329
2002 4.149
2003 2.475
2004 -0.2399
2005 4.23
2006 1.242
2007 0.491
2008 0.9748
2009 1.81
2010 2.051
2011 2.227
2012 3.438
2013 3.955