Year Total
1801 0
1802 0
1803 0
1804 0
1805 0
1806 0
1807 0
1808 0
1809 0
1810 0
1811 0
1812 0
1813 0
1814 0
1815 0
1816 0
1817 0
1818 0
1819 0
1820 0
1821 0.6608
1822 0.6608
1823 0.6608
1824 0.6608
1825 0.6608
1826 0.6608
1827 0.6608
1828 0.6608
1829 0.6608
1830 0.6608
1831 0.6608
1832 0.6608
1833 0.6608
1834 0.6608
1835 0.6608
1836 0.6608
1837 0.6608
1838 0.6608
1839 0.6608
1840 0.6608
1841 0.6608
1842 0.6608
1843 0.6608
1844 0.6608
1845 0.6608
1846 0.6608
1847 0.6608
1848 0.6608
1849 0.6608
1850 0.6608
1851 0.6608
1852 0.6608
1853 0.6608
1854 0.6608
1855 0.6608
1856 0.6608
1857 0.6608
1858 0.6608
1859 0.6608
1860 0.6608
1861 0.6608
1862 0.1031
1863 0.1027
1864 0.1023
1865 0.1048
1866 0.1017
1867 0.1041
1868 0.101
1869 0.1036
1870 0.1033
1871 0.1031
1872 0.6608
1873 0.6608
1874 0.6608
1875 0.6608
1876 0.6608
1877 0.6608
1878 0.6608
1879 0.6608
1880 0.6608
1881 0.6608
1882 1.222
1883 1.221
1884 1.221
1885 1.224
1886 1.221
1887 1.223
1888 1.22
1889 1.222
1890 1.222
1891 1.222
1892 0.1031
1893 0.1027
1894 0.1023
1895 0.1048
1896 0.1017
1897 0.1041
1898 0.101
1899 0.1036
1900 0.1033
1901 0.1031
1902 -0.2365
1903 -0.2388
1904 -0.2352
1905 -0.2373
1906 -0.2395
1907 -0.2356
1908 -0.2375
1909 -0.2364
1910 -0.2383
1911 -0.2371
1912 0.01278
1913 0.01491
1914 1.789
1915 1.791
1916 1.794
1917 1.793
1918 1.792
1919 1.791
1920 1.79
1921 1.793
1922 3.837
1923 3.842
1924 3.837
1925 3.838
1926 3.839
1927 3.84
1928 3.84
1929 3.837
1930 3.84
1931 3.84
1932 3.839
1933 3.838
1934 3.84
1935 3.838
1936 3.84
1937 3.841
1938 3.839
1939 3.839
1940 3.839
1941 3.839
1942 3.839
1943 3.838
1944 3.84
1945 3.839
1946 3.838
1947 4.978
1948 4.979
1949 4.979
1950 4.979
1951 6.909
1952 5.822
1953 4.937
1954 4.225
1955 3.678
1956 3.3
1957 3.092
1958 3.061
1959 3.206
1960 3.492
1961 3.859
1962 4.215
1963 4.469
1964 4.556
1965 4.531
1966 4.485
1967 4.455
1968 4.385
1969 4.272
1970 4.132
1971 6.345
1972 6.08
1973 7.294
1974 2.696
1975 -5.51
1976 -8.263
1977 8.817
1978 5.334
1979 12.57
1980 7.894
1981 5.438
1982 0.3279
1983 6.446
1984 7.097
1985 7.751
1986 8.842
1987 9.506
1988 8.582
1989 6.723
1990 3.247
1991 2.439
1992 1.028
1993 5.4
1994 6.293
1995 -4.191
1996 6.635
1997 5.055
1998 4.453
1999 4.15
2000 1.501
2001 2.199
2002 2.52
2003 5.223
2004 7.205
2005 4.638
2006 12.65
2007 7.008
2008 1.483
2009 -10.71
2010 -7.582
2011 -1.978
2012 3.824
2013 1.46