Year Total 1800 28320 1801 28320 1802 28370 1803 28370 1804 28370 1805 28410 1806 28410 1807 28410 1808 28460 1809 28460 1810 28460 1811 28530 1812 28590 1813 28720 1814 28830 1815 28980 1816 29200 1817 29410 1818 29650 1819 29980 1820 30280 1821 30680 1822 31060 1823 31470 1824 31970 1825 32460 1826 32990 1827 33610 1828 34220 1829 34920 1830 35610 1831 36350 1832 37160 1833 37920 1834 38700 1835 39560 1836 40380 1837 41210 1838 42120 1839 42990 1840 43950 1841 44830 1842 45700 1843 46650 1844 47510 1845 48370 1846 49290 1847 50130 1848 51040 1849 51870 1850 52680 1851 53640 1852 54500 1853 55350 1854 56280 1855 57110 1856 58020 1857 58830 1858 59630 1859 60510 1860 61280 1861 62040 1862 62930 1863 63740 1864 64570 1865 65540 1866 66450 1867 67490 1868 68480 1869 69500 1870 70660 1871 71760 1872 72900 1873 74020 1874 75230 1875 76600 1876 77880 1877 79090 1878 80540 1879 81880 1880 83230 1881 84790 1882 86160 1883 87520 1884 89110 1885 90440 1886 91910 1887 99820 1888 101700 1889 103600 1890 105400 1891 107300 1892 109400 1893 109700 1894 110100 1895 110500 1896 110900 1897 111300 1898 112200 1899 113200 1900 114100 1901 114900 1902 115800 1903 118300 1904 120700 1905 123000 1906 125400 1907 127700 1908 129300 1909 131100 1910 132800 1911 134700 1912 136500 1913 135800 1914 135000 1915 134000 1916 132900 1917 131700 1918 132200 1919 132700 1920 133400 1921 134000 1922 134700 1923 137000 1924 139600 1925 142400 1926 145400 1927 148300 1928 147700 1929 147200 1930 152800 1931 158300 1932 163900 1933 169400 1934 175000 1935 180500 1936 186000 1937 191600 1938 197100 1939 202700 1940 208200 1941 213700 1942 219300 1943 224800 1944 230400 1945 235900 1946 241500 1947 247000 1948 252500 1949 258100 1950 263600 1951 267600 1952 276200 1953 286100 1954 297100 1955 309400 1956 322700 1957 337000 1958 351900 1959 367000 1960 381700 1961 395400 1962 407500 1963 417500 1964 425100 1965 430300 1966 433000 1967 433900 1968 433600 1969 432900 1970 432600 1971 433400 1972 435800 1973 440000 1974 446200 1975 454100 1976 463200 1977 472900 1978 482500 1979 491800 1980 500900 1981 510000 1982 519500 1983 529400 1984 539400 1985 549100 1986 557800 1987 565100 1988 570700 1989 574400 1990 576500 1991 577100 1992 576900 1993 576300 1994 575800 1995 575600 1996 575900 1997 576700 1998 577800 1999 579300 2000 581200 2001 583300 2002 585600 2003 588000 2004 590200 2005 592200 2006 594100 2007 595900 2008 597400 2009 598800 2010 599800 2011 600500 2012 600800 2013 600700 2014 600300 2015 599400