Year Number of 1800 148500 1801 138300 1802 160000 1803 170500 1804 173300 1805 172000 1806 170800 1807 171100 1808 171400 1809 167800 1810 174800 1811 178200 1812 176000 1813 181800 1814 185400 1815 207900 1816 201600 1817 203700 1818 201900 1819 201200 1820 203200 1821 212500 1822 221600 1823 218700 1824 215300 1825 215100 1826 216700 1827 205900 1828 213800 1829 201500 1830 204100 1831 205100 1832 203200 1833 210500 1834 204100 1835 199900 1836 199100 1837 194300 1838 191700 1839 195400 1840 192000 1841 189100 1842 196400 1843 195100 1844 197800 1845 188200 1846 221900 1847 209100 1848 214900 1849 221000 1850 199800 1851 217900 1852 224000 1853 216200 1854 237800 1855 220400 1856 214800 1857 228100 1858 240700 1859 245900 1860 216800 1861 232500 1862 232500 1863 260400 1864 256800 1865 254300 1866 257600 1867 241800 1868 260200 1869 255200 1870 266400 1871 257700 1872 244900 1873 238100 1874 258900 1875 261400 1876 250400 1877 239000 1878 270400 1879 245000 1880 269300 1881 224700 1882 248800 1883 236600 1884 248300 1885 232100 1886 243500 1887 238700 1888 222800 1889 240000 1890 246100 1891 248700 1892 244800 1893 255900 1894 224900 1895 257400 1896 245000 1897 246500 1898 252100 1899 230900 1900 223700 1901 214100 1902 197600 1903 189400 1904 206100 1905 183000 1906 186000 1907 171600 1908 170600 1909 156700 1910 147900 1911 177500 1912 136800 1913 150400 1914 147000 1915 144600 1916 117600 1917 101500 1918 123700 1919 108000 1920 136100 1921 104600 1922 102300 1923 85970 1924 93230 1925 89680 1926 81070 1927 77480 1928 73580 1929 83700 1930 65840 1931 70300 1932 68460 1933 64810 1934 63960 1935 59640 1936 61770 1937 59740 1938 54620 1939 49030 1940 57540 1941 60630 1942 50790 1943 48330 1944 44520 1945 41280 1946 40200 1947 40200 1948 30190 1949 28800 1950 35800 1951 28590 1952 23680 1953 20700 1954 19370 1955 19220 1956 19790 1957 21050 1958 22570 1959 24170 1960 25420 1961 26170 1962 26370 1963 25910 1964 25150 1965 24110 1966 23150 1967 21980 1968 20870 1969 19720 1970 18580 1971 17480 1972 16370 1973 15190 1974 14120 1975 13150 1976 12190 1977 11430 1978 10710 1979 10120 1980 9637 1981 9335 1982 9107 1983 9040 1984 8921 1985 8861 1986 8719 1987 8473 1988 8091 1989 7627 1990 7113 1991 6624 1992 6233 1993 5926 1994 5603 1995 5409 1996 5184 1997 5020 1998 4849 1999 4692 2000 4557 2001 4362 2002 4254 2003 4248 2004 4161 2005 4207 2006 4317 2007 4489 2008 4583 2009 4618 2010 4533 2011 4354 2012 4079 2013 3755 2014 3460 2015 3235