Year Number of
1800 66000
1801 66710
1802 67430
1803 68150
1804 68880
1805 69620
1806 70370
1807 71130
1808 71890
1809 72660
1810 73600
1811 74410
1812 75250
1813 76120
1814 77020
1815 77950
1816 78910
1817 79910
1818 80940
1819 82000
1820 83100
1821 84230
1822 85400
1823 86600
1824 87840
1825 89120
1826 90440
1827 91800
1828 93200
1829 94640
1830 96130
1831 97660
1832 99210
1833 100800
1834 102400
1835 104000
1836 105700
1837 107400
1838 109100
1839 110800
1840 112600
1841 114300
1842 116100
1843 118000
1844 119800
1845 121700
1846 123600
1847 125600
1848 127500
1849 129500
1850 131500
1851 133600
1852 135700
1853 137800
1854 140000
1855 142200
1856 144400
1857 146600
1858 148900
1859 151200
1860 153500
1861 155900
1862 158400
1863 160900
1864 163500
1865 166200
1866 168900
1867 171800
1868 174700
1869 177600
1870 180700
1871 183800
1872 187100
1873 190000
1874 193400
1875 196900
1876 200800
1877 204200
1878 208400
1879 212600
1880 216600
1881 237500
1882 241600
1883 245800
1884 249900
1885 254300
1886 259000
1887 263300
1888 268300
1889 273500
1890 278900
1891 284500
1892 290400
1893 296600
1894 303000
1895 309600
1896 314000
1897 318400
1898 322600
1899 326700
1900 330700
1901 334600
1902 338300
1903 346400
1904 354500
1905 362600
1906 370800
1907 378700
1908 387100
1909 395700
1910 404400
1911 412000
1912 419800
1913 427700
1914 435800
1915 444000
1916 452100
1917 460400
1918 468800
1919 477300
1920 485900
1921 494500
1922 503100
1923 511900
1924 520800
1925 529800
1926 539100
1927 548400
1928 558000
1929 567700
1930 584500
1931 592000
1932 600800
1933 607300
1934 613300
1935 620700
1936 625800
1937 632400
1938 636500
1939 640200
1940 645600
1941 633700
1942 623300
1943 612500
1944 599100
1945 587200
1946 583000
1947 578500
1948 573800
1949 568900
1950 563800
1951 553300
1952 549000
1953 545900
1954 543800
1955 536400
1956 534400
1957 529900
1958 524400
1959 519100
1960 517400
1961 518800
1962 522700
1963 526100
1964 526300
1965 520200
1966 508300
1967 490400
1968 469200
1969 449400
1970 434500
1971 423600
1972 417400
1973 414500
1974 412500
1975 409700
1976 406200
1977 400900
1978 393900
1979 384000
1980 372500
1981 359500
1982 345800
1983 331000
1984 315500
1985 299300
1986 282700
1987 265100
1988 248200
1989 232800
1990 218700
1991 205900
1992 193800
1993 182600
1994 171900
1995 162300
1996 153600
1997 145800
1998 137900
1999 130000
2000 121600
2001 112300
2002 102800
2003 93420
2004 84490
2005 75910
2006 68020
2007 61180
2008 55060
2009 50460
2010 47840
2011 46880
2012 47450
2013 49090
2014 51120
2015 52420