Year Number of 1800 19760 1801 19760 1802 19760 1803 19760 1804 19760 1805 19760 1806 19760 1807 19760 1808 19760 1809 19760 1810 19760 1811 19780 1812 19820 1813 19880 1814 19960 1815 20060 1816 20180 1817 20320 1818 20480 1819 20670 1820 20880 1821 21120 1822 21370 1823 21650 1824 21960 1825 22290 1826 22650 1827 23030 1828 23440 1829 23880 1830 24340 1831 24840 1832 25340 1833 25860 1834 26380 1835 26920 1836 27460 1837 28020 1838 28590 1839 29170 1840 29760 1841 30350 1842 30940 1843 31520 1844 32100 1845 32670 1846 33240 1847 33810 1848 34370 1849 34920 1850 35470 1851 36020 1852 36560 1853 37100 1854 37620 1855 38150 1856 38660 1857 39170 1858 39660 1859 40150 1860 40630 1861 41110 1862 41580 1863 42040 1864 42510 1865 42970 1866 43420 1867 43880 1868 44330 1869 44780 1870 45220 1871 45660 1872 46100 1873 46560 1874 47000 1875 47440 1876 47890 1877 48320 1878 48750 1879 49170 1880 49600 1881 53350 1882 52050 1883 56790 1884 59480 1885 53200 1886 50840 1887 60780 1888 59390 1889 51440 1890 59850 1891 59820 1892 56640 1893 58160 1894 60770 1895 57950 1896 58170 1897 68590 1898 70680 1899 58740 1900 70330 1901 67750 1902 69790 1903 72500 1904 69920 1905 52480 1906 68140 1907 64480 1908 80270 1909 74920 1910 79300 1911 78820 1912 69150 1913 79960 1914 78700 1915 77640 1916 83200 1917 86770 1918 86360 1919 75990 1920 77540 1921 86520 1922 81460 1923 78650 1924 74040 1925 76640 1926 78550 1927 75000 1928 74240 1929 65870 1930 64400 1931 62920 1932 61420 1933 59690 1934 58160 1935 56630 1936 57670 1937 58720 1938 60010 1939 61080 1940 62150 1941 59530 1942 57000 1943 54580 1944 52250 1945 50010 1946 47860 1947 45800 1948 43820 1949 41920 1950 40100 1951 40500 1952 39400 1953 38650 1954 38390 1955 38530 1956 38700 1957 39020 1958 39150 1959 38860 1960 37950 1961 36520 1962 34540 1963 32440 1964 30640 1965 29390 1966 28570 1967 28300 1968 28290 1969 28230 1970 27930 1971 27330 1972 26460 1973 25370 1974 24360 1975 23590 1976 23080 1977 22760 1978 22410 1979 21820 1980 20800 1981 19420 1982 17680 1983 15750 1984 13750 1985 11880 1986 10240 1987 8906 1988 8012 1989 7457 1990 7241 1991 7269 1992 7357 1993 7423 1994 7388 1995 7236 1996 6945 1997 6545 1998 6127 1999 5721 2000 5464 2001 5350 2002 5328 2003 5369 2004 10360 2005 5181 2006 4924 2007 4661 2008 4368 2009 4127 2010 3912 2011 3718 2012 3547 2013 3375 2014 3218 2015 3091