Year Total
1800 6.15
1801 6.15
1802 6.15
1803 6.15
1804 6.15
1805 6.15
1806 6.15
1807 6.15
1808 6.15
1809 6.15
1810 6.15
1811 6.15
1812 6.15
1813 6.15
1814 6.15
1815 6.15
1816 6.15
1817 6.15
1818 6.15
1819 6.15
1820 6.15
1821 6.15
1822 6.15
1823 6.15
1824 6.15
1825 6.15
1826 6.15
1827 6.15
1828 6.15
1829 6.15
1830 6.15
1831 6.15
1832 6.15
1833 6.15
1834 6.15
1835 6.15
1836 6.15
1837 6.15
1838 6.15
1839 6.15
1840 6.15
1841 6.15
1842 6.15
1843 6.15
1844 6.15
1845 6.15
1846 6.15
1847 6.15
1848 6.15
1849 6.15
1850 6.15
1851 6.15
1852 6.15
1853 6.15
1854 6.15
1855 6.15
1856 6.15
1857 6.15
1858 6.15
1859 6.15
1860 6.15
1861 6.15
1862 6.15
1863 6.15
1864 6.15
1865 6.15
1866 6.15
1867 6.15
1868 6.15
1869 6.15
1870 6.15
1871 6.15
1872 6.15
1873 6.15
1874 6.15
1875 6.15
1876 6.15
1877 6.15
1878 6.15
1879 6.15
1880 6.15
1881 6.15
1882 6.15
1883 6.15
1884 6.15
1885 6.15
1886 6.15
1887 6.15
1888 6.15
1889 6.15
1890 6.15
1891 6.15
1892 6.15
1893 6.15
1894 6.15
1895 6.15
1896 6.15
1897 6.15
1898 6.15
1899 6.15
1900 6.15
1901 6.15
1902 6.15
1903 6.15
1904 6.15
1905 6.15
1906 6.15
1907 6.15
1908 6.15
1909 6.15
1910 6.15
1911 6.15
1912 6.15
1913 6.15
1914 6.15
1915 6.15
1916 6.15
1917 6.15
1918 6.15
1919 6.15
1920 6.15
1921 6.15
1922 6.15
1923 6.15
1924 6.15
1925 6.15
1926 6.14
1927 6.14
1928 6.13
1929 6.12
1930 6.12
1931 6.11
1932 6.11
1933 6.1
1934 6.09
1935 6.09
1936 6.08
1937 6.07
1938 6.07
1939 6.06
1940 6.05
1941 6.04
1942 6.04
1943 6.03
1944 6.02
1945 6.02
1946 6.01
1947 6
1948 5.99
1949 5.98
1950 5.98
1951 5.98
1952 5.97
1953 5.97
1954 5.97
1955 5.97
1956 5.97
1957 5.97
1958 5.96
1959 5.96
1960 5.96
1961 5.96
1962 5.96
1963 5.96
1964 5.97
1965 5.97
1966 5.96
1967 5.96
1968 5.95
1969 5.93
1970 5.92
1971 5.9
1972 5.88
1973 5.87
1974 5.85
1975 5.84
1976 5.82
1977 5.8
1978 5.78
1979 5.76
1980 5.73
1981 5.69
1982 5.65
1983 5.6
1984 5.55
1985 5.49
1986 5.43
1987 5.37
1988 5.31
1989 5.24
1990 5.17
1991 5.1
1992 5.02
1993 4.93
1994 4.83
1995 4.72
1996 4.6
1997 4.47
1998 4.33
1999 4.18
2000 4.03
2001 3.88
2002 3.72
2003 3.58
2004 3.43
2005 3.29
2006 3.15
2007 3.01
2008 2.87
2009 2.74
2010 2.61
2011 2.49
2012 2.38
2013 2.29
2014 2.22
2015 2.16
2016 2.12
2017 2.08
2018 2.05