Year Total
1801 1.491
1802 1.583
1803 -2.003
1804 -0.2185
1805 5.829
1806 -0.579
1807 6.41
1808 -4.712
1809 3.094
1810 6.445
1811 -0.8905
1812 -4.181
1813 5.308
1814 -2.318
1815 10.49
1816 -5.45
1817 1.563
1818 -0.1657
1819 -1.626
1820 8.086
1821 1.547
1822 1.675
1823 2.752
1824 5.436
1825 2.277
1826 -5.253
1827 7.719
1828 0.2028
1829 0.7847
1830 4.493
1831 1.161
1832 3.066
1833 0.7799
1834 2.282
1835 7.297
1836 3.161
1837 -0.9734
1838 3.838
1839 -0.9533
1840 4.663
1841 -2.053
1842 -1.003
1843 4.776
1844 8.723
1845 4.484
1846 -0.1265
1847 -2.099
1848 2.832
1849 1.494
1850 -1.934
1851 3.451
1852 4.487
1853 3.587
1854 4.98
1855 -2.038
1856 6.971
1857 1.172
1858 -1.764
1859 4.226
1860 2.166
1861 -0.1753
1862 -4.088
1863 9.543
1864 2.824
1865 2.569
1866 3.295
1867 0.5785
1868 5.028
1869 1.056
1870 4.587
1871 5.477
1872 0.1583
1873 1.174
1874 4.161
1875 1.317
1876 0.8623
1877 0.751
1878 0.4725
1879 -1.734
1880 7.351
1881 2.424
1882 1.849
1883 3.225
1884 -0.6975
1885 -0.5825
1886 0.7882
1887 4.226
1888 3.317
1889 3.409
1890 1.051
1891 2.502
1892 -1.799
1893 -0.4902
1894 4.745
1895 3.451
1896 4.385
1897 1.245
1898 4.608
1899 3.68
1900 -0.1843
1901 2.226
1902 1.597
1903 -0.8289
1904 1.238
1905 3.015
1906 2.581
1907 1.988
1908 -3.649
1909 2.43
1910 2.705
1911 3.366
1912 1.504
1913 4.218
1914 2.089
1915 5.55
1916 1.173
1917 -0.5961
1918 1.904
1919 -7.967
1920 -3.369
1921 -9.711
1922 5.309
1923 2.963
1924 4.72
1925 3.519
1926 -3.12
1927 7.69
1928 0.8927
1929 2.853
1930 -0.7957
1931 -4.639
1932 0.06811
1933 3.18
1934 5.967
1935 3.698
1936 4.769
1937 3.5
1938 0.776
1939 4.4
1940 9.923
1941 8.707
1942 1.793
1943 1.718
1944 -4.4
1945 -4.573
1946 -1.904
1947 -1.378
1948 3.029
1949 3.325
1950 3.285
1951 2.738
1952 -0.1181
1953 3.798
1954 4.082
1955 3.484
1956 0.8916
1957 1.648
1958 0.4147
1959 4.261
1960 5.146
1961 2.165
1962 0.862
1963 4.381
1964 5.481
1965 2.206
1966 1.968
1967 2.414
1968 4.209
1969 2.042
1970 2.302
1971 1.874
1972 3.609
1973 7.18
1974 -1.18
1975 -0.4912
1976 2.725
1977 2.453
1978 3.26
1979 2.569
1980 -2.227
1981 -1.344
1982 2.255
1983 3.648
1984 2.606
1985 3.481
1986 3.969
1987 4.582
1988 5.099
1989 2.275
1990 0.7711
1991 -1.473
1992 0.1641
1993 2.271
1994 4.297
1995 3.044
1996 2.922
1997 3.444
1998 3.854
1999 3.61
2000 4.459
2001 3.144
2002 2.721
2003 3.579
2004 2.951
2005 1.946
2006 2.584
2007 3.392
2008 -1.163
2009 -4.391
2010 1.753
2011 0.8414
2012 0.1979
2013 1.76