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 2.144
1822 2.144
1823 2.145
1824 2.144
1825 2.144
1826 2.145
1827 2.144
1828 2.145
1829 2.144
1830 2.145
1831 2.144
1832 2.144
1833 2.144
1834 2.144
1835 2.144
1836 2.144
1837 2.145
1838 2.144
1839 2.145
1840 2.144
1841 2.144
1842 2.144
1843 2.145
1844 2.144
1845 2.144
1846 2.144
1847 2.144
1848 2.144
1849 2.144
1850 2.144
1851 2.33
1852 2.33
1853 2.33
1854 2.33
1855 2.33
1856 2.33
1857 2.33
1858 2.33
1859 2.33
1860 2.33
1861 2.33
1862 2.33
1863 2.33
1864 2.33
1865 2.33
1866 2.33
1867 2.33
1868 2.33
1869 2.33
1870 2.33
1871 2.327
1872 2.327
1873 2.327
1874 2.327
1875 2.326
1876 2.327
1877 2.327
1878 2.327
1879 2.327
1880 2.327
1881 2.327
1882 2.327
1883 2.327
1884 2.327
1885 2.327
1886 2.327
1887 2.327
1888 2.327
1889 2.327
1890 2.327
1891 2.327
1892 2.327
1893 2.327
1894 2.327
1895 2.327
1896 2.327
1897 2.327
1898 2.327
1899 2.327
1900 2.327
1901 2.934
1902 3.02
1903 2.973
1904 3.052
1905 2.883
1906 2.96
1907 3.032
1908 2.985
1909 2.94
1910 3.005
1911 2.959
1912 3.02
1913 2.973
1914 3.028
1915 2.981
1916 2.936
1917 3.081
1918 2.94
1919 2.986
1920 3.029
1921 0.6867
1922 5.534
1923 4.728
1924 6.648
1925 -7.103
1926 18
1927 -11.56
1928 16.33
1929 0.8158
1930 2.52
1931 -9.713
1932 -9.019
1933 14.41
1934 4.075
1935 10.95
1936 -1.45
1937 10.4
1938 -6.274
1939 8.192
1940 9.588
1941 -1.284
1942 8.964
1943 10.07
1944 -4.799
1945 -3.228
1946 2.562
1947 27.01
1948 27.98
1949 -8.772
1950 -0.2964
1951 1.058
1952 6.685
1953 6.415
1954 0.5239
1955 4.551
1956 7.266
1957 4.815
1958 1.763
1959 4.183
1960 3.891
1961 3.398
1962 12.07
1963 4.369
1964 9.461
1965 5.289
1966 6.509
1967 5.014
1968 2.541
1969 2.617
1970 1.842
1971 4.353
1972 6.137
1973 4.516
1974 6.525
1975 5.148
1976 3.345
1977 5.291
1978 5.918
1979 -2.304
1980 -8.12
1981 -5.679
1982 -3.273
1983 1.019
1984 2.097
1985 1.978
1986 0.5256
1987 2.029
1988 1.327
1989 0.6379
1990 2.718
1991 2.63
1992 7.141
1993 6.149
1994 5.6
1995 5.542
1996 0.9165
1997 3.171
1998 2.504
1999 2.031
2000 0.7907
2001 0.2629
2002 0.7363
2003 0.3131
2004 0.3279
2005 1.36
2006 3.98
2007 3.778
2008 1.254
2009 -3.021
2010 1.501
2011 2.123
2012 1.878
2013 1.816