Year Per 1000 Births 1800 39.7 1801 39.7 1802 39.7 1803 39.7 1804 39.7 1805 39.7 1806 39.7 1807 39.7 1808 39.7 1809 39.7 1810 39.7 1811 39.7 1812 39.7 1813 39.7 1814 39.7 1815 39.7 1816 39.7 1817 39.7 1818 39.7 1819 39.7 1820 39.7 1821 39.7 1822 39.7 1823 39.7 1824 39.7 1825 39.7 1826 39.7 1827 39.7 1828 39.7 1829 39.7 1830 39.7 1831 39.7 1832 39.7 1833 39.7 1834 39.7 1835 39.7 1836 39.7 1837 39.7 1838 39.7 1839 39.7 1840 39.7 1841 39.7 1842 39.7 1843 39.7 1844 39.7 1845 39.7 1846 39.7 1847 39.7 1848 39.7 1849 39.7 1850 39.7 1851 39.7 1852 39.7 1853 39.7 1854 39.7 1855 39.7 1856 39.7 1857 39.7 1858 39.7 1859 39.7 1860 39.7 1861 39.7 1862 39.7 1863 39.7 1864 39.7 1865 39.7 1866 39.7 1867 39.7 1868 39.7 1869 39.7 1870 39.7 1871 39.7 1872 39.7 1873 39.7 1874 39.7 1875 39.7 1876 39.7 1877 39.7 1878 39.7 1879 39.7 1880 39.7 1881 39.7 1882 39.7 1883 39.7 1884 39.7 1885 39.7 1886 39.7 1887 39.7 1888 39.7 1889 39.7 1890 39.7 1891 39.7 1892 39.7 1893 39.7 1894 39.7 1895 39.7 1896 39.7 1897 39.7 1898 39.7 1899 39.7 1900 39.7 1901 39.7 1902 39.7 1903 39.7 1904 39.7 1905 39.7 1906 39.7 1907 39.7 1908 39.7 1909 39.7 1910 39.7 1911 39.7 1912 39.7 1913 39.7 1914 39.7 1915 39.7 1916 39.7 1917 39.7 1918 39.7 1919 39.7 1920 39.7 1921 39.7 1922 39.7 1923 39.7 1924 39.7 1925 39.7 1926 39.7 1927 39.7 1928 39.7 1929 39.7 1930 39.7 1931 39.7 1932 39.7 1933 39.7 1934 39.7 1935 39.7 1936 39.7 1937 39.7 1938 39.7 1939 39.7 1940 39.7 1941 39.7 1942 39.7 1943 39.7 1944 39.7 1945 39.7 1946 39.7 1947 39.7 1948 39.7 1949 39.7 1950 44.35 1951 44.87 1952 45.82 1953 46.62 1954 47.25 1955 47.73 1956 48.03 1957 48.17 1958 48.13 1959 47.9 1960 47.45 1961 46.79 1962 45.91 1963 44.82 1964 43.56 1965 42.15 1966 40.62 1967 39.02 1968 37.42 1969 35.91 1970 34.61 1971 33.63 1972 33.02 1973 32.77 1974 32.87 1975 33.27 1976 33.87 1977 34.55 1978 35.21 1979 35.77 1980 36.22 1981 36.55 1982 36.81 1983 37.03 1984 37.2 1985 37.31 1986 37.36 1987 37.33 1988 37.22 1989 37.02 1990 36.71 1991 36.29 1992 35.75 1993 35.13 1994 34.43 1995 33.7 1996 32.97 1997 32.26 1998 31.61 1999 31.05 2000 30.58 2001 30.23 2002 29.96 2003 29.77 2004 29.65 2005 29.57 2006 29.54 2007 29.53 2008 29.53 2009 29.51 2010 29.47 2011 29.38 2012 29.23 2013 29.04 2014 28.8 2015 28.51