Year Total
1800 5.45
1801 5.45
1802 5.45
1803 5.45
1804 5.45
1805 5.45
1806 5.45
1807 5.45
1808 5.45
1809 5.45
1810 5.45
1811 5.45
1812 5.45
1813 5.45
1814 5.45
1815 5.45
1816 5.45
1817 5.45
1818 5.45
1819 5.45
1820 5.45
1821 5.45
1822 5.45
1823 5.45
1824 5.45
1825 5.45
1826 5.45
1827 5.45
1828 5.45
1829 5.45
1830 5.45
1831 5.45
1832 5.45
1833 5.45
1834 5.45
1835 5.45
1836 5.45
1837 5.45
1838 5.45
1839 5.45
1840 5.45
1841 5.45
1842 5.45
1843 5.45
1844 5.45
1845 5.45
1846 5.45
1847 5.45
1848 5.45
1849 5.45
1850 5.45
1851 5.45
1852 5.45
1853 5.45
1854 5.45
1855 5.45
1856 5.45
1857 5.45
1858 5.45
1859 5.45
1860 5.45
1861 5.45
1862 5.45
1863 5.45
1864 5.45
1865 5.45
1866 5.45
1867 5.45
1868 5.45
1869 5.45
1870 5.45
1871 5.45
1872 5.45
1873 5.45
1874 5.45
1875 5.45
1876 5.45
1877 5.45
1878 5.45
1879 5.45
1880 5.45
1881 5.45
1882 5.45
1883 5.45
1884 5.45
1885 5.45
1886 5.45
1887 5.45
1888 5.45
1889 5.45
1890 5.45
1891 5.45
1892 5.45
1893 5.45
1894 5.45
1895 5.45
1896 5.45
1897 5.45
1898 5.45
1899 5.45
1900 5.45
1901 5.45
1902 5.45
1903 5.45
1904 5.45
1905 5.45
1906 5.45
1907 5.45
1908 5.45
1909 5.45
1910 5.45
1911 5.45
1912 5.45
1913 5.45
1914 5.45
1915 5.45
1916 5.45
1917 5.45
1918 5.45
1919 5.45
1920 5.45
1921 5.4
1922 5.35
1923 5.3
1924 5.25
1925 5.19
1926 5.14
1927 5.09
1928 5.04
1929 4.99
1930 4.94
1931 4.89
1932 4.84
1933 4.91
1934 4.99
1935 5.07
1936 5.15
1937 5.23
1938 5.44
1939 5.64
1940 5.47
1941 5.35
1942 5.22
1943 5.1
1944 4.97
1945 4.85
1946 4.72
1947 5.09
1948 5.46
1949 5.87
1950 6.27
1951 6.28
1952 6.29
1953 6.3
1954 6.31
1955 6.33
1956 6.35
1957 6.38
1958 6.41
1959 6.44
1960 6.45
1961 6.42
1962 6.35
1963 6.25
1964 6.1
1965 5.92
1966 5.73
1967 5.53
1968 5.34
1969 5.17
1970 5.01
1971 4.88
1972 4.76
1973 4.64
1974 4.53
1975 4.43
1976 4.33
1977 4.25
1978 4.18
1979 4.12
1980 4.07
1981 4.02
1982 3.97
1983 3.93
1984 3.87
1985 3.82
1986 3.76
1987 3.7
1988 3.65
1989 3.6
1990 3.55
1991 3.51
1992 3.47
1993 3.42
1994 3.37
1995 3.31
1996 3.24
1997 3.15
1998 3.04
1999 2.91
2000 2.78
2001 2.66
2002 2.54
2003 2.44
2004 2.36
2005 2.29
2006 2.25
2007 2.22
2008 2.19
2009 2.17
2010 2.15
2011 2.13
2012 2.11
2013 2.09
2014 2.07
2015 2.06
2016 2.04
2017 2.02
2018 2