Year per person
1800 1.54
1820 1.54
1821 1.472
1822 1.48
1823 1.474
1824 1.438
1825 1.481
1826 1.492
1827 1.499
1828 1.487
1829 1.496
1830 1.473
1831 1.471
1832 1.49
1833 1.484
1834 1.516
1835 1.55
1836 1.538
1837 1.575
1838 1.582
1839 1.584
1840 1.666
1841 1.669
1842 1.688
1843 1.721
1844 1.727
1845 1.76
1846 1.8
1847 1.82
1848 1.875
1849 1.987
1850 2.068
1851 2.103
1852 2.144
1853 2.076
1854 2.115
1855 2.19
1856 2.194
1857 2.243
1858 2.319
1859 2.371
1860 2.427
1861 2.404
1862 2.372
1863 2.438
1864 2.541
1865 2.602
1866 2.631
1867 2.503
1868 2.601
1869 2.833
1870 2.864
1871 2.827
1872 2.993
1873 3.144
1874 2.968
1875 3.165
1876 3.085
1877 2.941
1878 3.073
1879 3.488
1880 3.862
1881 3.94
1882 4.206
1883 4.171
1884 4.148
1885 3.968
1886 4.077
1887 4.302
1888 4.076
1889 4.124
1890 4.364
1891 4.658
1892 4.505
1893 4.668
1894 4.532
1895 4.789
1896 4.756
1897 4.593
1898 5.087
1899 5.058
1900 4.869
1901 4.933
1902 5.088
1903 4.747
1904 5.077
1905 5.014
1906 5.345
1907 5.565
1908 6.087
1909 6.049
1910 6.659
1911 6.406
1912 6.587
1913 6.632
1914 5.542
1915 5.302
1916 6.426
1917 6.488
1918 6.494
1919 5.505
1920 6.144
1921 5.26
1922 5.384
1923 6.402
1924 6.795
1925 6.997
1926 6.326
1927 6.125
1928 7.396
1929 7.669
1930 6.345
1931 4.922
1932 4.094
1933 4.963
1934 5.894
1935 6.128
1936 6.32
1937 7.061
1938 7.015
1939 7.034
1940 7.183
1941 6.971
1942 7.159
1943 7.227
1944 7.226
1945 7.705
1946 8.21
1947 7.191
1948 8.238
1949 7.921
1950 8.145
1951 8.281
1952 8.64
1953 9.127
1954 8.672
1955 8.823
1956 8.782
1957 9.464
1958 9.747
1959 8.971
1960 9.478
1961 9.691
1962 9.91
1963 10.3
1964 10.29
1965 10.16
1966 11.06
1967 11.2
1968 11.38
1969 11.59
1970 11.61
1971 12.42
1972 12.05
1973 11.17
1974 11.08
1975 9.484
1976 9.648
1977 10.43
1978 11.12
1979 11.86
1980 12.61
1981 13.17
1982 11.17
1983 10.68
1984 11.12
1985 11.16
1986 11.6
1987 12.16
1988 12.83
1989 13.95
1990 14.21
1991 15.08
1992 16.66
1993 17.55
1994 18.64
1995 19.92
1996 21.1
1997 22.19
1998 22.61
1999 22.16
2000 22.88
2001 23.39
2002 23.64
2003 24.3
2004 25.55
2005 26.89
2006 27.8
2007 28.78
2008 29.55
2009 28.7