Year Number of 1800 325900 1801 328400 1802 330800 1803 333300 1804 335800 1805 338300 1806 340100 1807 342600 1808 345100 1809 347600 1810 350200 1811 352700 1812 355200 1813 355600 1814 356700 1815 357100 1816 358200 1817 358600 1818 359000 1819 360200 1820 360600 1821 361700 1822 362100 1823 363200 1824 363600 1825 364000 1826 365100 1827 365500 1828 366600 1829 367000 1830 368100 1831 368500 1832 368900 1833 370000 1834 370400 1835 371500 1836 371900 1837 373000 1838 373400 1839 374500 1840 375700 1841 377600 1842 378800 1843 380100 1844 381400 1845 382800 1846 384900 1847 386400 1848 388000 1849 389600 1850 391200 1851 393600 1852 395300 1853 397100 1854 399000 1855 400900 1856 403600 1857 405600 1858 407600 1859 409800 1860 412000 1861 415000 1862 417400 1863 419800 1864 410600 1865 400600 1866 390100 1867 380900 1868 371700 1869 360400 1870 351200 1871 341900 1872 331400 1873 292400 1874 302000 1875 314200 1876 326500 1877 319600 1878 314000 1879 312600 1880 316200 1881 335800 1882 328100 1883 357500 1884 344300 1885 360600 1886 370500 1887 372300 1888 412500 1889 424200 1890 398500 1891 376900 1892 419700 1893 408100 1894 419200 1895 430400 1896 440300 1897 457900 1898 467000 1899 471900 1900 470800 1901 507000 1902 506000 1903 493900 1904 474300 1905 468200 1906 454300 1907 524100 1908 536100 1909 542900 1910 529500 1911 546900 1912 535100 1913 532700 1914 539500 1915 513500 1916 519600 1917 513900 1918 498200 1919 488500 1920 544100 1921 565400 1922 528300 1923 539300 1924 502700 1925 472300 1926 456100 1927 466300 1928 467500 1929 470400 1930 406900 1931 436500 1932 383700 1933 401600 1934 415800 1935 346000 1936 387900 1937 345700 1938 383900 1939 353300 1940 287200 1941 265500 1942 274600 1943 279900 1944 292800 1945 306200 1946 320200 1947 334900 1948 226200 1949 230200 1950 222400 1951 183300 1952 150800 1953 126400 1954 108300 1955 94840 1956 84540 1957 77530 1958 72500 1959 68170 1960 63790 1961 59520 1962 55160 1963 50970 1964 47120 1965 43560 1966 40450 1967 37670 1968 35110 1969 33310 1970 32060 1971 31160 1972 30920 1973 30550 1974 29520 1975 27660 1976 25110 1977 22080 1978 18850 1979 16190 1980 14280 1981 12930 1982 12360 1983 12080 1984 11880 1985 11360 1986 10610 1987 9775 1988 8963 1989 8199 1990 7732 1991 7403 1992 7198 1993 7083 1994 6992 1995 6771 1996 6544 1997 6196 1998 5957 1999 5584 2000 5316 2001 5037 2002 4735 2003 4542 2004 4354 2005 4080 2006 3930 2007 3805 2008 3693 2009 3580 2010 3461 2011 3670 2012 3222 2013 3094 2014 2964 2015 2834