Year Total
1801 0.04619
1802 0.04619
1803 0.04619
1804 0.04619
1805 0.04619
1806 0.04619
1807 0.04619
1808 0.04619
1809 0.04619
1810 0.04619
1811 0.04619
1812 0.04619
1813 0.04619
1814 0.04619
1815 0.04619
1816 0.04619
1817 0.04619
1818 0.04619
1819 0.04619
1820 0.04619
1821 0.6642
1822 0.6604
1823 0.6736
1824 0.6697
1825 0.6658
1826 0.662
1827 0.6582
1828 0.671
1829 0.6671
1830 0.6633
1831 0.6595
1832 0.6718
1833 0.6679
1834 0.6641
1835 0.6603
1836 0.6722
1837 0.6683
1838 0.6644
1839 0.6606
1840 0.6721
1841 0.6531
1842 0.6645
1843 0.6757
1844 0.6569
1845 0.668
1846 0.6641
1847 0.675
1848 0.6565
1849 0.6672
1850 0.6634
1851 0.6739
1852 0.6558
1853 0.6662
1854 0.6764
1855 0.6585
1856 0.6686
1857 0.6648
1858 0.661
1859 0.6708
1860 0.6669
1861 0.6631
1862 0.6593
1863 0.6688
1864 0.665
1865 0.6743
1866 0.6573
1867 0.6666
1868 0.6627
1869 0.6717
1870 0.6678
1871 0.664
1872 0.6602
1873 0.6689
1874 0.6651
1875 0.6613
1876 0.6697
1877 0.6659
1878 0.662
1879 0.6703
1880 0.6664
1881 0.6626
1882 0.6706
1883 0.655
1884 0.6746
1885 0.6591
1886 0.6669
1887 0.6631
1888 0.6706
1889 0.6668
1890 0.6629
1891 0.6703
1892 0.6664
1893 0.6626
1894 0.6588
1895 0.666
1896 0.673
1897 0.6583
1898 0.6653
1899 0.6721
1900 0.6576
1901 0.6749
1902 0.6605
1903 0.6671
1904 0.6633
1905 0.6698
1906 0.6659
1907 0.6621
1908 0.6683
1909 0.6645
1910 0.6607
1911 0.6668
1912 0.663
1913 0.6689
1914 2.94
1915 2.946
1916 2.932
1917 2.948
1918 2.934
1919 2.94
1920 2.946
1921 2.942
1922 2.938
1923 2.943
1924 2.939
1925 2.935
1926 2.941
1927 2.946
1928 2.942
1929 2.938
1930 2.943
1931 2.939
1932 2.935
1933 2.94
1934 2.945
1935 2.941
1936 2.937
1937 2.942
1938 2.938
1939 2.943
1940 2.939
1941 2.943
1942 2.939
1943 2.936
1944 2.94
1945 2.944
1946 2.94
1947 2.944
1948 2.94
1949 2.937
1950 2.941
1951 4.023
1952 3.964
1953 3.747
1954 3.456
1955 3.191
1956 2.999
1957 2.995
1958 3.179
1959 3.626
1960 4.277
1961 5.022
1962 5.658
1963 6.033
1964 6.061
1965 5.873
1966 5.605
1967 5.45
1968 5.523
1969 5.851
1970 6.348
1971 6.882
1972 7.257
1973 7.34
1974 15.33
1975 0.06412
1976 0.3452
1977 2.433
1978 5.625
1979 2.147
1980 -7.208
1981 6.445
1982 3.04
1983 16.33
1984 2.697
1985 -2.597
1986 22.45
1987 13.17
1988 9.439
1989 0.835
1990 9.686
1991 0.08849
1992 7.139
1993 6.009
1994 5.878
1995 8.213
1996 -10.3
1997 -6.431
1998 -2.829
1999 -2.405
2000 5.85
2001 5.289
2002 2.533
2003 0.116
2004 -0.02289
2005 2.79
2006 2.17
2007 3.465
2008 -1.376
2009 -0.7213
2010 6.692
2011 2.121
2012 4.512
2013 0.9605