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 0.6084
1822 0.6084
1823 0.6084
1824 0.6084
1825 0.6084
1826 0.6084
1827 0.6084
1828 0.6084
1829 0.6084
1830 0.6084
1831 0.6084
1832 0.6084
1833 0.6084
1834 0.6084
1835 0.6084
1836 0.6084
1837 0.6084
1838 0.6084
1839 0.6084
1840 0.6084
1841 0.6084
1842 0.6084
1843 0.6084
1844 0.6084
1845 0.6084
1846 0.6084
1847 0.6084
1848 0.6084
1849 0.6084
1850 0.6084
1851 0.6084
1852 0.6084
1853 0.6084
1854 0.6084
1855 0.6084
1856 0.6084
1857 0.6084
1858 0.6084
1859 0.6084
1860 0.6084
1861 0.6084
1862 0.6084
1863 0.6084
1864 0.6084
1865 0.6084
1866 0.6084
1867 0.6084
1868 0.6084
1869 0.6084
1870 0.6084
1871 0.6084
1872 0.6084
1873 0.6084
1874 0.6084
1875 0.6084
1876 0.6084
1877 0.6084
1878 0.6084
1879 0.6084
1880 0.6084
1881 0.6084
1882 0.6084
1883 0.6084
1884 0.6084
1885 0.6084
1886 0.6084
1887 0.6084
1888 0.6084
1889 0.6084
1890 0.6084
1891 0.6084
1892 0.6084
1893 0.6084
1894 0.6084
1895 0.6084
1896 0.6084
1897 0.6084
1898 0.6084
1899 0.6084
1900 0.6084
1901 0.6084
1902 0.6084
1903 0.6084
1904 0.6084
1905 0.6084
1906 0.6084
1907 0.6084
1908 0.6084
1909 0.6084
1910 0.6084
1911 0.6084
1912 0.6084
1913 0.6084
1914 0.6084
1915 0.6084
1916 0.6084
1917 0.6084
1918 0.6084
1919 0.6084
1920 0.6084
1921 0.6084
1922 2.336
1923 2.336
1924 2.336
1925 2.336
1926 2.336
1927 2.336
1928 2.336
1929 2.336
1930 2.336
1931 2.336
1932 2.514
1933 2.514
1934 2.514
1935 2.514
1936 2.514
1937 2.514
1938 2.514
1939 2.514
1940 2.514
1941 2.514
1942 2.514
1943 2.514
1944 2.514
1945 2.514
1946 2.514
1947 2.514
1948 2.514
1949 -0.3375
1950 -0.3375
1951 12.81
1952 2.263
1953 -3.346
1954 8.367
1955 2.638
1956 1.418
1957 2.59
1958 1.015
1959 5.057
1960 4.211
1961 -1.062
1962 9.17
1963 6.344
1964 5.498
1965 3.611
1966 12.82
1967 4.017
1968 5.201
1969 1.876
1970 5.863
1971 4.32
1972 6.68
1973 3.169
1974 2.44
1975 5.462
1976 7.41
1977 2.97
1978 3.04
1979 1.4
1980 1.039
1981 -0.9156
1982 1.534
1983 -0.2563
1984 2.665
1985 -0.07215
1986 3.355
1987 4.967
1988 4.175
1989 3.602
1990 4.012
1991 2.596
1992 1.094
1993 1.245
1994 0.9809
1995 3.433
1996 5.339
1997 -0.451
1998 3.68
1999 3.523
2000 5.093
2001 6.475
2002 7.586
2003 6.182
2004 7.423
2005 7.573
2006 6.737
2007 7.148
2008 7.437
2009 6.022
2010 7.043
2011 6.449
2012 7.687
2013 7.11