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 3.885
1822 3.885
1823 3.885
1824 3.885
1825 3.885
1826 3.885
1827 3.885
1828 3.885
1829 3.885
1830 3.885
1831 3.885
1832 3.885
1833 3.885
1834 3.885
1835 3.885
1836 3.885
1837 3.885
1838 3.885
1839 3.885
1840 3.885
1841 3.885
1842 3.885
1843 3.885
1844 3.885
1845 3.885
1846 3.885
1847 3.885
1848 3.885
1849 3.885
1850 3.885
1851 3.929
1852 3.929
1853 3.929
1854 3.929
1855 3.929
1856 3.929
1857 3.929
1858 3.929
1859 3.929
1860 3.929
1861 3.929
1862 3.929
1863 3.929
1864 3.929
1865 3.929
1866 3.929
1867 3.929
1868 3.929
1869 3.929
1870 3.929
1871 4.664
1872 4.664
1873 4.664
1874 4.664
1875 4.664
1876 2.224
1877 10.64
1878 -5.168
1879 4.522
1880 -1.973
1881 1.662
1882 26.76
1883 12.5
1884 7.309
1885 17.83
1886 0.4179
1887 7.018
1888 16.56
1889 10.01
1890 -8.511
1891 -5.398
1892 20.23
1893 6.283
1894 15.95
1895 11.37
1896 11.12
1897 -19.26
1898 8.995
1899 18.49
1900 -11.89
1901 9.669
1902 -1.199
1903 15.75
1904 11.96
1905 14.67
1906 4.238
1907 1.214
1908 9.184
1909 4.138
1910 6.565
1911 1.547
1912 8.165
1913 0.7699
1914 -11.76
1915 -1.181
1916 -2.788
1917 -8.206
1918 18.61
1919 3.794
1920 7.851
1921 2.106
1922 8.135
1923 11.88
1924 8.498
1925 -0.5461
1926 4.977
1927 7.414
1928 6.44
1929 4.664
1930 -4.439
1931 -6.731
1932 -3.351
1933 4.667
1934 7.796
1935 4.159
1936 0.9072
1937 7.511
1938 0.4502
1939 4.197
1940 1.376
1941 5.373
1942 1.175
1943 -0.643
1944 11.57
1945 -3.133
1946 8.437
1947 10.8
1948 5.518
1949 -1.077
1950 1.333
1951 3.86
1952 -5.18
1953 5.394
1954 4.205
1955 7.183
1956 2.807
1957 5.252
1958 6.185
1959 -6.593
1960 7.978
1961 7.193
1962 -1.624
1963 -2.419
1964 10.44
1965 9.26
1966 0.6187
1967 2.664
1968 4.345
1969 8.662
1970 5.46
1971 3.799
1972 2.083
1973 3.787
1974 5.475
1975 -0.6186
1976 -0.01925
1977 6.468
1978 -3.295
1979 7.016
1980 1.529
1981 -5.534
1982 -3.031
1983 4.257
1984 2.226
1985 -6.949
1986 7.473
1987 2.758
1988 -1.796
1989 -7.019
1990 -1.852
1991 10.8
1992 10.01
1993 6.038
1994 6.123
1995 -2.696
1996 5.756
1997 8.344
1998 3.993
1999 -3.376
2000 -0.8075
2001 -4.523
2002 -11.12
2003 8.756
2004 8.882
2005 9.08
2006 8.205
2007 8.388
2008 6.495
2009 0.5982
2010 8.885
2011 8.592
2012 1.638
2013 3.976