Year Total
1801 0.03904
1802 0.03904
1803 0.03904
1804 0.03904
1805 0.03904
1806 0.03904
1807 0.03904
1808 0.03904
1809 0.03904
1810 0.03904
1811 0.03904
1812 0.03904
1813 0.03904
1814 0.03904
1815 0.03904
1816 0.03904
1817 0.03904
1818 0.03904
1819 0.03904
1820 0.03904
1821 1.493
1822 1.493
1823 1.493
1824 1.493
1825 1.493
1826 1.493
1827 1.493
1828 1.493
1829 1.493
1830 1.493
1831 1.493
1832 1.493
1833 1.493
1834 1.493
1835 1.493
1836 1.493
1837 1.493
1838 1.493
1839 1.493
1840 1.493
1841 1.493
1842 1.493
1843 1.493
1844 1.493
1845 1.493
1846 1.493
1847 1.493
1848 1.493
1849 1.493
1850 1.493
1851 1.493
1852 1.493
1853 1.493
1854 1.493
1855 1.493
1856 1.493
1857 1.493
1858 1.493
1859 1.493
1860 1.493
1861 1.493
1862 1.493
1863 1.493
1864 1.493
1865 1.493
1866 1.493
1867 1.493
1868 1.493
1869 1.493
1870 1.493
1871 1.493
1872 1.493
1873 1.493
1874 1.493
1875 1.493
1876 1.493
1877 1.493
1878 1.493
1879 1.493
1880 1.493
1881 1.493
1882 1.493
1883 1.493
1884 1.493
1885 1.493
1886 -3.041
1887 17.93
1888 -2.982
1889 -6.221
1890 0.4392
1891 -7.62
1892 10.41
1893 14.29
1894 14.67
1895 -6.672
1896 11.08
1897 -0.8337
1898 3.537
1899 7.02
1900 -1.313
1901 3.371
1902 9.594
1903 -6.104
1904 11.53
1905 -10.73
1906 -3.608
1907 -3.089
1908 10.14
1909 4.71
1910 7.616
1911 -6.821
1912 8.969
1913 5.951
1914 -3.692
1915 3.798
1916 -10.33
1917 -11.45
1918 -38.26
1919 -13.05
1920 1.263
1921 -7.686
1922 17.07
1923 16.16
1924 27.77
1925 26.03
1926 13.24
1927 5.06
1928 6.058
1929 2.027
1930 5.407
1931 1.768
1932 -0.702
1933 4.647
1934 10.11
1935 15.31
1936 7.714
1937 9.222
1938 0.5702
1939 4.939
1940 -3.346
1941 -1.038
1942 -1.038
1943 -1.038
1944 -1.038
1945 -1.038
1946 -1.038
1947 12.06
1948 13.94
1949 10.15
1950 9.243
1951 -1.666
1952 4.502
1953 2.693
1954 3.458
1955 7.243
1956 8.438
1957 1.131
1958 6.635
1959 -1.895
1960 8.596
1961 4.936
1962 2.041
1963 -2.805
1964 12.48
1965 5.436
1966 4.735
1967 4.381
1968 5.876
1969 1.417
1970 7.646
1971 2.486
1972 0.3189
1973 8.128
1974 3.739
1975 1.083
1976 5.527
1977 3.176
1978 3.353
1979 0.3951
1980 1.054
1981 1.883
1982 3.459
1983 4.189
1984 2.153
1985 1.783
1986 5.005
1987 2.151
1988 2.982
1989 2.569
1990 -1.64
1991 -1.445
1992 -10.02
1993 -8.057
1994 -12
1995 -10.7
1996 2.454
1997 11.01
1998 8.003
1999 3.011
2000 5.439
2001 4.367
2002 4.663
2003 6.449
2004 11.01
2005 8.885
2006 9.874
2007 8.375
2008 11.74
2009 -0.1518
2010 7.502
2011 5.676
2012 1.563
2013 0.6013