Year Number of
1800 152200
1801 154600
1802 157100
1803 159500
1804 162100
1805 164700
1806 167400
1807 169900
1808 172600
1809 175400
1810 179400
1811 182300
1812 185200
1813 188400
1814 191800
1815 195300
1816 198700
1817 202600
1818 206600
1819 210700
1820 260600
1821 265700
1822 271000
1823 276600
1824 282400
1825 288400
1826 294700
1827 301100
1828 307800
1829 314600
1830 321600
1831 328300
1832 335100
1833 342200
1834 349400
1835 356800
1836 364300
1837 372000
1838 379900
1839 387900
1840 396100
1841 401700
1842 407400
1843 413300
1844 419100
1845 425100
1846 431100
1847 437100
1848 443100
1849 449200
1850 455300
1851 458100
1852 460600
1853 462800
1854 464700
1855 466200
1856 467400
1857 468200
1858 468700
1859 468900
1860 468700
1861 475900
1862 483100
1863 490200
1864 497100
1865 504000
1866 510800
1867 517400
1868 524000
1869 530500
1870 536900
1871 554200
1872 571900
1873 588900
1874 607300
1875 626200
1876 645500
1877 664200
1878 684500
1879 705300
1880 726600
1881 715600
1882 705000
1883 693700
1884 681400
1885 669100
1886 656200
1887 642800
1888 628500
1889 623700
1890 616400
1891 613400
1892 610000
1893 608600
1894 604500
1895 600100
1896 597800
1897 593000
1898 587900
1899 582600
1900 579400
1901 575900
1902 553100
1903 556100
1904 585200
1905 574200
1906 584500
1907 586900
1908 551200
1909 534300
1910 568600
1911 534200
1912 522700
1913 539700
1914 527600
1915 514800
1916 535300
1917 534100
1918 707700
1919 466000
1920 496700
1921 443700
1922 421200
1923 436700
1924 414500
1925 376400
1926 342100
1927 312800
1928 278000
1929 249600
1930 236700
1931 224400
1932 212600
1933 201400
1934 223500
1935 214800
1936 220200
1937 216900
1938 208300
1939 191400
1940 191200
1941 189400
1942 174400
1943 173600
1944 165000
1945 160400
1946 157400
1947 146400
1948 141200
1949 142900
1950 144100
1951 138800
1952 135200
1953 133100
1954 131900
1955 131900
1956 132400
1957 133200
1958 133900
1959 133100
1960 131200
1961 127400
1962 122200
1963 116000
1964 109600
1965 103500
1966 97550
1967 92050
1968 86710
1969 82050
1970 78080
1971 74390
1972 71480
1973 69010
1974 66600
1975 64010
1976 61200
1977 58530
1978 55780
1979 53500
1980 51780
1981 50360
1982 49400
1983 48430
1984 47750
1985 47270
1986 46670
1987 46260
1988 45370
1989 44430
1990 43140
1991 42280
1992 41040
1993 39750
1994 38700
1995 37470
1996 35980
1997 34290
1998 32980
1999 32270
2000 31520
2001 31610
2002 32070
2003 32670
2004 33570
2005 33700
2006 33520
2007 32980
2008 32170
2009 30840
2010 29940
2011 28690
2012 27790
2013 26600
2014 25630
2015 24920