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 1.08
1822 1.08
1823 1.08
1824 1.08
1825 1.08
1826 1.08
1827 1.08
1828 1.08
1829 1.079
1830 1.08
1831 1.08
1832 1.08
1833 1.08
1834 1.08
1835 1.08
1836 1.08
1837 1.08
1838 1.08
1839 1.08
1840 1.08
1841 1.08
1842 1.08
1843 1.08
1844 1.08
1845 1.08
1846 1.08
1847 1.08
1848 1.08
1849 1.08
1850 1.08
1851 1.08
1852 1.08
1853 1.08
1854 1.08
1855 1.08
1856 1.08
1857 1.08
1858 1.08
1859 1.08
1860 1.08
1861 1.08
1862 1.08
1863 1.08
1864 1.08
1865 1.08
1866 1.08
1867 1.08
1868 1.08
1869 1.08
1870 1.08
1871 1.08
1872 1.08
1873 1.08
1874 1.08
1875 1.08
1876 1.08
1877 1.08
1878 1.08
1879 1.08
1880 1.08
1881 1.08
1882 1.08
1883 1.08
1884 1.08
1885 1.08
1886 1.08
1887 1.08
1888 1.08
1889 1.08
1890 1.08
1891 1.08
1892 1.08
1893 1.08
1894 1.08
1895 1.08
1896 1.08
1897 1.08
1898 1.08
1899 1.08
1900 1.08
1901 1.08
1902 1.08
1903 1.08
1904 1.08
1905 1.08
1906 1.08
1907 1.08
1908 1.08
1909 1.08
1910 1.08
1911 1.08
1912 1.08
1913 1.08
1914 1.08
1915 1.08
1916 1.08
1917 1.08
1918 1.08
1919 1.08
1920 1.08
1921 1.08
1922 1.08
1923 1.08
1924 1.08
1925 1.08
1926 1.08
1927 1.08
1928 2.197
1929 2.197
1930 2.197
1931 2.197
1932 2.197
1933 2.197
1934 2.197
1935 2.197
1936 2.197
1937 2.197
1938 2.197
1939 2.197
1940 2.197
1941 2.197
1942 2.197
1943 2.197
1944 2.197
1945 2.197
1946 2.197
1947 2.197
1948 2.197
1949 2.197
1950 2.197
1951 4.923
1952 2.355
1953 3.314
1954 5.077
1955 2.844
1956 3.354
1957 3.442
1958 2.557
1959 5.517
1960 2.904
1961 2.115
1962 1.006
1963 2.103
1964 4.804
1965 4.189
1966 7.347
1967 6.333
1968 4.384
1969 7.03
1970 6.406
1971 5.057
1972 3.605
1973 3.861
1974 3.397
1975 -3.876
1976 4.806
1977 0.9427
1978 5.755
1979 4.773
1980 -6.287
1981 -3.889
1982 1.755
1983 -3.44
1984 -0.5889
1985 -2.02
1986 -1.179
1987 1.795
1988 2.828
1989 2.788
1990 -51.03
1991 -14.23
1992 -35.09
1993 -32.98
1994 -21.76
1995 -4.266
1996 12.12
1997 106.3
1998 29.66
1999 22.94
2000 22.35
2001 2.876
2002 3.676
2003 -31
2004 2.6
2005 5.3
2006 13.54
2007 8.603
2008 8.05
2009 7.755
2010 7.261
2011 8.244
2012 8.532
2013 7.808