Year Number of 1800 92230 1801 92230 1802 92230 1803 92230 1804 92230 1805 92230 1806 92230 1807 92230 1808 92230 1809 92230 1810 92230 1811 92240 1812 92240 1813 92250 1814 92270 1815 92280 1816 92300 1817 92330 1818 92350 1819 92380 1820 92420 1821 92450 1822 92490 1823 92540 1824 92580 1825 92630 1826 92680 1827 92740 1828 92800 1829 92860 1830 92930 1831 93000 1832 93070 1833 93140 1834 93210 1835 93280 1836 93350 1837 93420 1838 93490 1839 93560 1840 93630 1841 93700 1842 93770 1843 93840 1844 93910 1845 93980 1846 94050 1847 94120 1848 94190 1849 94260 1850 94330 1851 94540 1852 94750 1853 94960 1854 95170 1855 95380 1856 95580 1857 95790 1858 96000 1859 96210 1860 96420 1861 96640 1862 96860 1863 97090 1864 97320 1865 97560 1866 97800 1867 98060 1868 98310 1869 98580 1870 98840 1871 99120 1872 99400 1873 99660 1874 99950 1875 100300 1876 100600 1877 100900 1878 101200 1879 101500 1880 101900 1881 102200 1882 102500 1883 102900 1884 103200 1885 103600 1886 103900 1887 104200 1888 104600 1889 104900 1890 105300 1891 105600 1892 106000 1893 106300 1894 106700 1895 107000 1896 107300 1897 107700 1898 108000 1899 108300 1900 108500 1901 108800 1902 109000 1903 109400 1904 111300 1905 113100 1906 115000 1907 117100 1908 119000 1909 118000 1910 117100 1911 116200 1912 115400 1913 115200 1914 115200 1915 115800 1916 116700 1917 117300 1918 117700 1919 117900 1920 118000 1921 118200 1922 118300 1923 118400 1924 116400 1925 114200 1926 112200 1927 110400 1928 108400 1929 108300 1930 102700 1931 97090 1932 91960 1933 86710 1934 81120 1935 75530 1936 70440 1937 65590 1938 60740 1939 57160 1940 53900 1941 50660 1942 47510 1943 48730 1944 49780 1945 50640 1946 51300 1947 51750 1948 51980 1949 51990 1950 51760 1951 60430 1952 77320 1953 86170 1954 88930 1955 87220 1956 82420 1957 75670 1958 67940 1959 60120 1960 52860 1961 50010 1962 47630 1963 46150 1964 45390 1965 45110 1966 44840 1967 44470 1968 43430 1969 41460 1970 38820 1971 36490 1972 33570 1973 30310 1974 26930 1975 23690 1976 20870 1977 18610 1978 16960 1979 15830 1980 15120 1981 15000 1982 14900 1983 14680 1984 14370 1985 17460 1986 17390 1987 16660 1988 15720 1989 15210 1990 15780 1991 17630 1992 20960 1993 25390 1994 30000 1995 33400 1996 35000 1997 34250 1998 31620 1999 27910 2000 23970 2001 20310 2002 17290 2003 15040 2004 13500 2005 12610 2006 12180 2007 11890 2008 11470 2009 11040 2010 10610 2011 10240 2012 9966 2013 9798 2014 9577 2015 9271