Year Total
1801 0.9556
1802 0.9556
1803 0.9556
1804 0.9556
1805 0.9556
1806 0.9556
1807 0.9556
1808 0.9556
1809 0.9556
1810 0.9556
1811 0.9556
1812 0.9556
1813 0.9556
1814 0.9556
1815 0.9556
1816 0.9556
1817 0.9556
1818 0.9556
1819 0.9556
1820 0.9556
1821 1.505
1822 1.505
1823 1.505
1824 1.505
1825 1.505
1826 1.505
1827 1.505
1828 1.505
1829 1.505
1830 1.505
1831 1.505
1832 1.505
1833 1.505
1834 1.505
1835 1.505
1836 1.505
1837 1.505
1838 1.505
1839 1.505
1840 1.505
1841 1.505
1842 1.505
1843 1.505
1844 1.505
1845 1.505
1846 1.505
1847 1.505
1848 1.505
1849 1.505
1850 1.505
1851 1.458
1852 1.458
1853 1.458
1854 1.458
1855 1.458
1856 1.458
1857 1.458
1858 1.458
1859 1.458
1860 1.458
1861 1.458
1862 1.458
1863 1.458
1864 1.458
1865 1.458
1866 1.458
1867 1.458
1868 1.458
1869 1.458
1870 1.458
1871 2.081
1872 2.081
1873 2.081
1874 2.081
1875 2.081
1876 2.081
1877 2.081
1878 2.081
1879 2.081
1880 2.081
1881 2.081
1882 2.081
1883 2.081
1884 2.081
1885 2.081
1886 2.081
1887 2.081
1888 2.081
1889 2.081
1890 2.081
1891 2.089
1892 2.089
1893 2.089
1894 2.089
1895 2.089
1896 2.089
1897 2.089
1898 2.089
1899 2.089
1900 2.089
1901 2.462
1902 2.462
1903 2.462
1904 2.462
1905 2.462
1906 2.462
1907 2.462
1908 2.462
1909 2.462
1910 2.462
1911 2.46
1912 2.46
1913 2.46
1914 -2.694
1915 -2.694
1916 -2.694
1917 -2.694
1918 -2.694
1919 -2.694
1920 -2.694
1921 3.871
1922 3.797
1923 3.737
1924 3.591
1925 20.17
1926 -4.174
1927 4.356
1928 8.783
1929 3.277
1930 -2.167
1931 -4.826
1932 -2.66
1933 9.052
1934 0.6265
1935 5.058
1936 6.667
1937 -2.222
1938 5.114
1939 7.568
1940 -6.847
1941 0.6069
1942 5.027
1943 -10.57
1944 -10.48
1945 -15.44
1946 -10.83
1947 3.488
1948 25.13
1949 8.082
1950 6.341
1951 10.31
1952 3.747
1953 1.846
1954 3.119
1955 8.363
1956 -4.919
1957 9.46
1958 6.538
1959 3.741
1960 5.002
1961 4.869
1962 4.134
1963 5.54
1964 5.64
1965 0.8211
1966 5.708
1967 5.68
1968 1.161
1969 2.955
1970 -0.312
1971 4.574
1972 2.252
1973 5.277
1974 2.563
1975 1.981
1976 0.1969
1977 6.267
1978 2.485
1979 0.2442
1980 1.001
1981 0.6244
1982 3.416
1983 -1.23
1984 2.409
1985 -2.667
1986 1.791
1987 1.347
1988 2.834
1989 -2.101
1990 -6.644
1991 -11.97
1992 -2.99
1993 -0.4292
1994 3.051
1995 1.547
1996 1.369
1997 4.631
1998 4.91
1999 4.225
2000 5.299
2001 4.099
2002 4.381
2003 4.207
2004 4.812
2005 4.194
2006 3.865
2007 0.01848
2008 0.7459
2009 -6.747
2010 1.227
2011 1.758
2012 -1.294
2013 1.494