Year Total 1800 5.327 1801 5.32 1802 5.312 1803 5.305 1804 5.297 1805 5.29 1806 5.283 1807 5.275 1808 5.268 1809 5.26 1810 5.253 1811 5.245 1812 5.238 1813 5.23 1814 5.223 1815 5.216 1816 5.208 1817 5.201 1818 5.193 1819 5.186 1820 5.178 1821 5.171 1822 5.164 1823 5.156 1824 5.149 1825 5.141 1826 5.141 1827 5.142 1828 5.142 1829 5.142 1830 5.142 1831 5.143 1832 5.143 1833 5.143 1834 5.143 1835 5.144 1836 5.144 1837 5.144 1838 5.144 1839 5.145 1840 5.145 1841 5.145 1842 5.145 1843 5.146 1844 5.146 1845 5.146 1846 5.146 1847 5.146 1848 5.147 1849 5.147 1850 5.147 1851 5.139 1852 5.131 1853 5.123 1854 5.114 1855 5.106 1856 5.098 1857 5.09 1858 5.081 1859 5.073 1860 5.065 1861 5.073 1862 5.081 1863 5.089 1864 5.097 1865 5.104 1866 5.112 1867 5.12 1868 5.128 1869 5.136 1870 5.144 1871 5.135 1872 5.127 1873 5.118 1874 5.109 1875 5.101 1876 5.092 1877 5.083 1878 5.074 1879 5.066 1880 5.057 1881 5.043 1882 5.029 1883 5.016 1884 5.002 1885 4.988 1886 4.974 1887 4.96 1888 4.947 1889 4.933 1890 4.919 1891 4.912 1892 4.904 1893 4.897 1894 4.89 1895 4.883 1896 4.875 1897 4.868 1898 4.861 1899 4.853 1900 4.846 1901 4.764 1902 4.683 1903 4.601 1904 4.519 1905 4.438 1906 4.356 1907 4.274 1908 4.192 1909 4.111 1910 4.029 1911 3.922 1912 3.816 1913 3.709 1914 3.603 1915 3.497 1916 3.39 1917 3.284 1918 3.177 1919 3.071 1920 2.964 1921 3.035 1922 2.882 1923 2.768 1924 2.59 1925 2.484 1926 2.392 1927 2.237 1928 2.209 1929 2.124 1930 2.149 1931 2.026 1932 1.966 1933 1.826 1934 1.774 1935 1.678 1936 1.664 1937 1.69 1938 1.824 1939 1.936 1940 2.212 1941 2.263 1942 2.419 1943 2.782 1944 2.798 1945 2.673 1946 3.254 1947 3.05 1948 2.886 1949 2.738 1950 2.854 1951 2.804 1952 2.711 1953 2.629 1954 2.558 1955 2.497 1956 2.446 1957 2.403 1958 2.368 1959 2.336 1960 2.304 1961 2.269 1962 2.227 1963 2.177 1964 2.123 1965 2.069 1966 2.026 1967 1.999 1968 1.994 1969 2.009 1970 2.045 1971 2.095 1972 2.153 1973 2.21 1974 2.26 1975 2.294 1976 2.308 1977 2.302 1978 2.275 1979 2.232 1980 2.178 1981 2.121 1982 2.067 1983 2.023 1984 1.99 1985 1.967 1986 1.949 1987 1.931 1988 1.905 1989 1.87 1990 1.822 1991 1.757 1992 1.677 1993 1.587 1994 1.49 1995 1.394 1996 1.306 1997 1.231 1998 1.175 1999 1.14 2000 1.128 2001 1.138 2002 1.165 2003 1.203 2004 1.249 2005 1.298 2006 1.346 2007 1.392 2008 1.434 2009 1.471 2010 1.501 2011 1.525 2012 1.546 2013 1.566 2014 1.584 2015 1.602 2016 1.62 2017 1.637 2018 1.652 2019 1.667 2020 1.681 2021 1.695 2022 1.707 2023 1.719 2024 1.73 2030 1.786 2040 1.846 2050 1.882 2070 1.922 2080 1.93 2099 1.942