Year Total
1801 0.589
1802 0.5891
1803 0.5891
1804 0.589
1805 0.589
1806 0.589
1807 0.589
1808 0.589
1809 0.589
1810 0.589
1811 0.5891
1812 0.589
1813 0.589
1814 0.589
1815 0.5891
1816 0.589
1817 0.589
1818 0.589
1819 0.589
1820 0.589
1821 4.897
1822 1.627
1823 0.1325
1824 3.142
1825 0.8783
1826 1.551
1827 2.992
1828 1.493
1829 -1.91
1830 0.8473
1831 -0.5773
1832 2.932
1833 -0.5629
1834 5.559
1835 -0.4764
1836 0.1325
1837 2.694
1838 0.7841
1839 1.373
1840 3.277
1841 0.1325
1842 0.7008
1843 5.527
1844 5.251
1845 2.869
1846 2.254
1847 -0.398
1848 5.332
1849 6.047
1850 5.678
1851 -4.706
1852 3.866
1853 0.5537
1854 0.59
1855 11.22
1856 -5.472
1857 1.834
1858 -0.6862
1859 6.844
1860 -0.6748
1861 1.726
1862 3.237
1863 6.575
1864 -0.9321
1865 3.699
1866 0.1325
1867 0.1325
1868 1.884
1869 5.909
1870 4.325
1871 0.4171
1872 5.678
1873 -0.4514
1874 3.069
1875 1.844
1876 2.096
1877 -2.618
1878 4.093
1879 3.398
1880 2.504
1881 1.162
1882 3.7
1883 3.577
1884 0.6082
1885 0.8426
1886 4.128
1887 3.749
1888 0.7869
1889 1.433
1890 6.123
1891 2.151
1892 2.507
1893 2.066
1894 2.219
1895 5.706
1896 3.828
1897 2.508
1898 1.79
1899 4.373
1900 3.575
1901 4.368
1902 2.454
1903 6.089
1904 2.274
1905 1.836
1906 2.968
1907 3.892
1908 3.273
1909 3.997
1910 3.177
1911 5.495
1912 0.1325
1913 3.872
1914 6.441
1915 -6.838
1916 4.385
1917 -5.792
1918 -3.171
1919 13.05
1920 4.86
1921 -2.757
1922 10.27
1923 10.69
1924 0.438
1925 -2.152
1926 5.977
1927 2.12
1928 3.526
1929 6.836
1930 6.088
1931 1.244
1932 -2.495
1933 3.332
1934 3.172
1935 2.375
1936 2.614
1937 2.554
1938 2.552
1939 4.911
1940 -13.91
1941 -9.762
1942 2.381
1943 11.19
1944 10.62
1945 -7.408
1946 15.76
1947 5.756
1948 2.841
1949 7.044
1950 8.02
1951 0.9711
1952 1.259
1953 5.791
1954 1.948
1955 1.122
1956 1.347
1957 7.865
1958 2.385
1959 7.509
1960 2.843
1961 6.577
1962 5.619
1963 0.7655
1964 9.516
1965 4.674
1966 2.788
1967 3.365
1968 4.367
1969 6.72
1970 2.028
1971 2.72
1972 5.422
1973 3.695
1974 -0.7845
1975 -0.3921
1976 6.741
1977 1.763
1978 1.554
1979 3.617
1980 -0.3236
1981 -0.7007
1982 3.194
1983 2.651
1984 4.511
1985 4.349
1986 3.651
1987 0.3525
1988 1.353
1989 0.4931
1990 1.395
1991 1.447
1992 2.11
1993 0.08774
1994 5.736
1995 3.088
1996 2.822
1997 3.351
1998 2.355
1999 2.76
2000 3.743
2001 0.8111
2002 0.5039
2003 0.4191
2004 2.184
2005 3.214
2006 3.53
2007 1.71
2008 -0.7954
2009 -5.807
2010 1.612
2011 1.041
2012 -0.3549
2013 0.5661