Year Number of 1800 90020 1801 90020 1802 90020 1803 90020 1804 90020 1805 90020 1806 90020 1807 90020 1808 90020 1809 90020 1810 90020 1811 90040 1812 90070 1813 90120 1814 90190 1815 90270 1816 90370 1817 90480 1818 90620 1819 90770 1820 90930 1821 91120 1822 91320 1823 91540 1824 91770 1825 92020 1826 92290 1827 92580 1828 92880 1829 93200 1830 93540 1831 93900 1832 94260 1833 94620 1834 94980 1835 95340 1836 95710 1837 96070 1838 96440 1839 96810 1840 97180 1841 97550 1842 97940 1843 98330 1844 98730 1845 99130 1846 99540 1847 99960 1848 100400 1849 100800 1850 101300 1851 101700 1852 102200 1853 102700 1854 103200 1855 103800 1856 104300 1857 104800 1858 105400 1859 105900 1860 106500 1861 107000 1862 107600 1863 108200 1864 108900 1865 109500 1866 110200 1867 110800 1868 111500 1869 112200 1870 112900 1871 113700 1872 114400 1873 115100 1874 115900 1875 116700 1876 117600 1877 118400 1878 119200 1879 120200 1880 121100 1881 122000 1882 122900 1883 123800 1884 124700 1885 125700 1886 126700 1887 127700 1888 128700 1889 129800 1890 130900 1891 132000 1892 133200 1893 134400 1894 135700 1895 136900 1896 138300 1897 139700 1898 141100 1899 142600 1900 144100 1901 145600 1902 147100 1903 148700 1904 150400 1905 152100 1906 153800 1907 155500 1908 157200 1909 159000 1910 160900 1911 162700 1912 164900 1913 167000 1914 169200 1915 171400 1916 173700 1917 176200 1918 179000 1919 182200 1920 185400 1921 188700 1922 192200 1923 195900 1924 199900 1925 203900 1926 207700 1927 211900 1928 216600 1929 222000 1930 228100 1931 224300 1932 220400 1933 216100 1934 211000 1935 206400 1936 201500 1937 196500 1938 200700 1939 204900 1940 216300 1941 213500 1942 210500 1943 207500 1944 204400 1945 201300 1946 198200 1947 195000 1948 191800 1949 188500 1950 182300 1951 179100 1952 175700 1953 172800 1954 170500 1955 169100 1956 168500 1957 168100 1958 168200 1959 168000 1960 167200 1961 166100 1962 164300 1963 162100 1964 159900 1965 157700 1966 155500 1967 153100 1968 150100 1969 146100 1970 140700 1971 133800 1972 126000 1973 117900 1974 110100 1975 103100 1976 96940 1977 91370 1978 86480 1979 81990 1980 77470 1981 73030 1982 68670 1983 64450 1984 60480 1985 56690 1986 53150 1987 49720 1988 46520 1989 43300 1990 40290 1991 37820 1992 35500 1993 33300 1994 31270 1995 29380 1996 27400 1997 25460 1998 23540 1999 21840 2000 20440 2001 19260 2002 18220 2003 17340 2004 16440 2005 15460 2006 14540 2007 13680 2008 12820 2009 12070 2010 11480 2011 10940 2012 10450 2013 10060 2014 9560 2015 9173