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 1.488
1822 1.488
1823 1.488
1824 1.488
1825 1.488
1826 1.488
1827 1.488
1828 1.488
1829 1.488
1830 1.488
1831 1.488
1832 1.488
1833 1.488
1834 1.488
1835 1.488
1836 1.488
1837 1.488
1838 1.488
1839 1.488
1840 1.488
1841 1.488
1842 1.488
1843 1.488
1844 1.488
1845 1.488
1846 1.488
1847 1.488
1848 1.488
1849 1.488
1850 1.488
1851 1.488
1852 1.488
1853 1.488
1854 1.488
1855 1.488
1856 1.488
1857 1.488
1858 1.488
1859 1.488
1860 1.488
1861 1.488
1862 1.488
1863 1.488
1864 1.488
1865 1.488
1866 1.488
1867 1.488
1868 1.488
1869 1.488
1870 1.488
1871 1.488
1872 1.488
1873 1.488
1874 1.488
1875 1.488
1876 1.488
1877 1.488
1878 1.488
1879 1.488
1880 1.488
1881 1.488
1882 1.488
1883 1.488
1884 1.488
1885 1.488
1886 1.488
1887 1.488
1888 1.488
1889 1.488
1890 1.488
1891 1.488
1892 1.488
1893 1.488
1894 1.488
1895 1.488
1896 1.488
1897 1.488
1898 1.488
1899 1.488
1900 1.488
1901 1.488
1902 1.488
1903 1.488
1904 1.488
1905 1.488
1906 1.488
1907 1.488
1908 1.488
1909 1.488
1910 1.488
1911 1.488
1912 1.488
1913 1.488
1914 1.488
1915 1.488
1916 1.488
1917 1.488
1918 1.488
1919 1.488
1920 1.488
1921 1.488
1922 3.364
1923 3.365
1924 3.364
1925 3.364
1926 3.364
1927 3.364
1928 3.364
1929 3.365
1930 3.364
1931 3.364
1932 3.364
1933 3.364
1934 3.364
1935 3.365
1936 3.364
1937 3.365
1938 3.365
1939 3.364
1940 3.365
1941 3.364
1942 3.364
1943 3.365
1944 3.364
1945 3.364
1946 3.364
1947 9.203
1948 9.203
1949 9.203
1950 9.203
1951 2.678
1952 2.743
1953 3.539
1954 5.327
1955 2.999
1956 3.495
1957 3.617
1958 2.57
1959 5.592
1960 9.278
1961 0.9931
1962 14.02
1963 9.946
1964 16.21
1965 6.711
1966 3.814
1967 -4.058
1968 0.8537
1969 3.6
1970 0.6481
1971 2.843
1972 5.429
1973 3.594
1974 3.694
1975 0.01339
1976 4.175
1977 5.819
1978 6.668
1979 3.394
1980 3.946
1981 3.73
1982 1.199
1983 -3.342
1984 -1.537
1985 0.8081
1986 4.016
1987 4.226
1988 2.555
1989 7.085
1990 -2.924
1991 6.437
1992 10.05
1993 -1.798
1994 6.963
1995 4.448
1996 3.369
1997 4.681
1998 3.938
1999 4.015
2000 3.265
2001 2.146
2002 3.157
2003 4.203
2004 7.351
2005 5.203
2006 7.149
2007 5.481
2008 3.463
2009 -1.043
2010 7.653
2011 5.829
2012 5.967
2013 5.204