Year Total
1800 5.99
1801 5.99
1802 5.99
1803 5.99
1804 5.99
1805 5.99
1806 5.99
1807 5.99
1808 5.99
1809 5.99
1810 5.99
1811 5.99
1812 5.99
1813 5.99
1814 5.99
1815 5.99
1816 5.99
1817 5.99
1818 5.99
1819 5.99
1820 5.99
1821 5.99
1822 5.99
1823 5.99
1824 5.99
1825 5.99
1826 5.99
1827 5.99
1828 5.99
1829 5.99
1830 5.99
1831 5.99
1832 5.99
1833 5.99
1834 5.99
1835 5.99
1836 5.99
1837 5.99
1838 5.99
1839 5.99
1840 5.99
1841 5.99
1842 5.99
1843 5.99
1844 5.99
1845 5.99
1846 5.99
1847 5.99
1848 5.99
1849 5.99
1850 5.99
1851 5.99
1852 5.99
1853 5.99
1854 5.99
1855 5.99
1856 5.99
1857 5.99
1858 5.99
1859 5.99
1860 5.99
1861 5.99
1862 5.99
1863 5.99
1864 5.99
1865 5.99
1866 5.99
1867 5.99
1868 5.99
1869 5.99
1870 5.99
1871 5.99
1872 5.99
1873 5.99
1874 5.99
1875 5.99
1876 5.99
1877 5.99
1878 5.99
1879 5.99
1880 5.99
1881 5.99
1882 5.99
1883 5.99
1884 5.99
1885 5.99
1886 5.99
1887 5.99
1888 5.99
1889 5.99
1890 5.99
1891 5.99
1892 5.99
1893 5.99
1894 5.99
1895 5.99
1896 5.99
1897 5.99
1898 5.99
1899 5.99
1900 5.99
1901 5.99
1902 5.99
1903 5.99
1904 5.99
1905 5.99
1906 5.99
1907 5.99
1908 5.99
1909 5.99
1910 5.99
1911 5.99
1912 5.99
1913 5.99
1914 5.99
1915 5.99
1916 5.99
1917 5.99
1918 5.99
1919 5.99
1920 5.99
1921 5.99
1922 5.99
1923 5.99
1924 5.99
1925 5.99
1926 5.99
1927 5.99
1928 5.99
1929 5.99
1930 5.99
1931 5.99
1932 5.99
1933 5.99
1934 5.99
1935 5.99
1936 5.99
1937 5.99
1938 5.99
1939 5.99
1940 5.99
1941 5.99
1942 5.99
1943 5.99
1944 5.99
1945 5.99
1946 5.99
1947 5.99
1948 5.99
1949 5.99
1950 5.99
1951 5.99
1952 5.98
1953 5.98
1954 5.97
1955 5.97
1956 5.97
1957 5.98
1958 5.98
1959 5.99
1960 6
1961 6.02
1962 6.03
1963 6.05
1964 6.07
1965 6.09
1966 6.11
1967 6.14
1968 6.16
1969 6.19
1970 6.21
1971 6.24
1972 6.27
1973 6.3
1974 6.33
1975 6.37
1976 6.4
1977 6.44
1978 6.49
1979 6.54
1980 6.59
1981 6.64
1982 6.69
1983 6.74
1984 6.79
1985 6.85
1986 6.9
1987 6.96
1988 7.02
1989 7.08
1990 7.13
1991 7.17
1992 7.19
1993 7.2
1994 7.19
1995 7.18
1996 7.15
1997 7.11
1998 7.06
1999 7.02
2000 6.96
2001 6.91
2002 6.86
2003 6.81
2004 6.76
2005 6.71
2006 6.66
2007 6.61
2008 6.57
2009 6.52
2010 6.47
2011 6.42
2012 6.36
2013 6.3
2014 6.24
2015 6.17
2016 6.09
2017 6.02
2018 5.92