Year Number of 1800 299900 1801 300500 1802 301100 1803 301700 1804 302300 1805 302900 1806 303500 1807 304100 1808 304700 1809 305300 1810 305900 1811 306500 1812 307100 1813 307800 1814 308500 1815 309200 1816 309900 1817 310700 1818 311500 1819 312200 1820 313100 1821 313900 1822 314800 1823 315600 1824 316500 1825 317500 1826 318400 1827 319400 1828 320400 1829 321400 1830 322400 1831 323500 1832 324600 1833 325600 1834 326700 1835 327800 1836 328900 1837 329900 1838 331000 1839 332100 1840 333200 1841 334300 1842 335400 1843 336500 1844 337600 1845 338700 1846 339900 1847 341000 1848 342100 1849 343200 1850 344400 1851 345500 1852 346700 1853 347900 1854 349000 1855 350200 1856 351400 1857 352600 1858 353800 1859 355000 1860 356200 1861 357400 1862 358700 1863 360000 1864 361300 1865 362700 1866 364100 1867 365600 1868 367100 1869 368600 1870 370200 1871 371800 1872 373400 1873 374900 1874 376700 1875 378500 1876 380300 1877 382000 1878 384000 1879 386000 1880 388000 1881 389900 1882 392000 1883 394000 1884 396000 1885 398000 1886 400100 1887 402200 1888 404200 1889 406300 1890 408400 1891 410500 1892 412700 1893 414800 1894 416900 1895 419100 1896 421200 1897 423200 1898 425300 1899 427200 1900 429100 1901 431000 1902 432700 1903 434500 1904 436100 1905 437700 1906 439300 1907 440700 1908 442100 1909 443500 1910 444800 1911 446600 1912 448300 1913 450600 1914 453300 1915 456600 1916 459800 1917 479900 1918 499200 1919 520800 1920 541800 1921 565300 1922 557500 1923 549900 1924 544000 1925 536500 1926 530800 1927 523500 1928 516300 1929 512400 1930 513000 1931 513300 1932 516400 1933 519200 1934 521800 1935 524100 1936 526200 1937 528100 1938 529700 1939 531100 1940 532200 1941 542700 1942 553200 1943 563800 1944 574300 1945 584800 1946 595400 1947 606000 1948 616600 1949 627300 1950 637900 1951 598800 1952 557200 1953 527600 1954 510000 1955 502400 1956 498800 1957 499000 1958 501000 1959 501700 1960 499600 1961 494100 1962 483800 1963 471200 1964 460000 1965 452400 1966 447700 1967 446100 1968 446300 1969 447100 1970 448100 1971 448400 1972 448800 1973 450200 1974 452900 1975 458600 1976 465100 1977 473100 1978 483000 1979 493900 1980 505100 1981 515200 1982 525000 1983 533900 1984 543100 1985 553000 1986 564900 1987 576900 1988 586700 1989 592600 1990 592700 1991 587400 1992 576200 1993 561600 1994 546400 1995 534600 1996 525200 1997 519000 1998 514000 1999 507000 2000 497000 2001 483500 2002 467600 2003 451800 2004 440200 2005 435300 2006 437500 2007 445500 2008 456100 2009 465500 2010 470200 2011 470100 2012 464300 2013 454400 2014 442600 2015 431600