Year Total
1801 0.1039
1802 0.1039
1803 0.1039
1804 0.1039
1805 0.1039
1806 0.1039
1807 0.1039
1808 0.1039
1809 0.1039
1810 0.1039
1811 0.1039
1812 0.1039
1813 0.1039
1814 0.1039
1815 0.1039
1816 0.1039
1817 0.1039
1818 0.1039
1819 0.1039
1820 0.1039
1821 0.9421
1822 0.9421
1823 0.9421
1824 0.9421
1825 0.9421
1826 0.942
1827 0.9421
1828 0.9421
1829 0.9421
1830 0.9421
1831 0.942
1832 0.9421
1833 0.9421
1834 0.9421
1835 0.9421
1836 0.942
1837 0.9421
1838 0.9421
1839 0.9421
1840 0.9421
1841 0.9421
1842 0.942
1843 0.9421
1844 0.9421
1845 0.9421
1846 0.9421
1847 0.942
1848 0.9421
1849 0.9421
1850 0.9421
1851 0.9421
1852 0.9421
1853 0.942
1854 0.9421
1855 0.9421
1856 0.9421
1857 0.9421
1858 0.9421
1859 0.9421
1860 0.9421
1861 0.9421
1862 0.9421
1863 0.9421
1864 0.9421
1865 0.9421
1866 0.942
1867 0.9421
1868 0.9421
1869 0.9421
1870 0.9421
1871 2.622
1872 2.622
1873 2.622
1874 2.622
1875 2.622
1876 2.622
1877 2.622
1878 2.622
1879 2.622
1880 2.622
1881 2.622
1882 2.622
1883 2.622
1884 2.622
1885 2.622
1886 2.622
1887 2.622
1888 2.622
1889 2.622
1890 2.622
1891 1.567
1892 1.567
1893 1.567
1894 1.567
1895 1.567
1896 1.567
1897 1.567
1898 1.567
1899 1.567
1900 1.567
1901 2.495
1902 2.495
1903 2.495
1904 2.495
1905 2.495
1906 2.495
1907 2.495
1908 2.495
1909 2.495
1910 2.495
1911 0.8839
1912 0.8839
1913 0.8838
1914 0.5286
1915 0.5286
1916 0.5286
1917 0.5286
1918 0.5286
1919 0.5286
1920 0.5286
1921 1.878
1922 2.368
1923 4.633
1924 6.599
1925 4.345
1926 6.4
1927 -2.16
1928 8.21
1929 4.715
1930 -2.497
1931 -3.531
1932 -9.762
1933 2.593
1934 3.204
1935 -1.999
1936 12.42
1937 1.151
1938 7.457
1939 4.998
1940 -0.00411
1941 -0.00409
1942 -0.00412
1943 -0.0041
1944 -0.00409
1945 -0.0041
1946 -0.0041
1947 -0.0041
1948 18.75
1949 9.346
1950 -6.774
1951 3.266
1952 -8.384
1953 14.11
1954 4.798
1955 5.517
1956 -2.653
1957 16.12
1958 3.64
1959 11.65
1960 5.723
1961 3.873
1962 1.284
1963 9.78
1964 8.951
1965 2.018
1966 4.641
1967 1.045
1968 1.446
1969 10.55
1970 4.303
1971 10.95
1972 2.94
1973 2.95
1974 12.45
1975 -0.3737
1976 2.657
1977 6.849
1978 5.164
1979 6.521
1980 4.74
1981 1.678
1982 0.5757
1983 0.7506
1984 2.37
1985 0.5916
1986 3.778
1987 -1.489
1988 -1.751
1989 -1.486
1990 -7.254
1991 -21.09
1992 -11.72
1993 -8.047
1994 5.881
1995 6.861
1996 5.971
1997 6.891
1998 2.592
1999 -0.892
2000 2.662
2001 4.053
2002 4.675
2003 3.669
2004 3.233
2005 5.753
2006 4.788
2007 4.97
2008 1.954
2009 -7.001
2010 -2.196
2011 0.1394
2012 -2.053
2013 -1.197