Year Number of 1800 12520 1801 12490 1802 12470 1803 12450 1804 12420 1805 12400 1806 12380 1807 12350 1808 12330 1809 12310 1810 12290 1811 12270 1812 12260 1813 12250 1814 12250 1815 12250 1816 12260 1817 12280 1818 12300 1819 12330 1820 12360 1821 12400 1822 12440 1823 12490 1824 12540 1825 12600 1826 12670 1827 12740 1828 12820 1829 12900 1830 12990 1831 13090 1832 13180 1833 13280 1834 13380 1835 13470 1836 13570 1837 13670 1838 13770 1839 13870 1840 13970 1841 14080 1842 14180 1843 14280 1844 14390 1845 14490 1846 14600 1847 14710 1848 14810 1849 14920 1850 15030 1851 15140 1852 15250 1853 15360 1854 15470 1855 15590 1856 15700 1857 15810 1858 15930 1859 16040 1860 16160 1861 16280 1862 16400 1863 16520 1864 16640 1865 16760 1866 16880 1867 17000 1868 17130 1869 17250 1870 17380 1871 17500 1872 17630 1873 17750 1874 17880 1875 18010 1876 18140 1877 18270 1878 18400 1879 18540 1880 18670 1881 18810 1882 18940 1883 19080 1884 19220 1885 19360 1886 19500 1887 19640 1888 19780 1889 19920 1890 20070 1891 20210 1892 20360 1893 20510 1894 20660 1895 20810 1896 20960 1897 21110 1898 21200 1899 21270 1900 21330 1901 21150 1902 20970 1903 20790 1904 20640 1905 20460 1906 20290 1907 20110 1908 19940 1909 19770 1910 19630 1911 19460 1912 19290 1913 19120 1914 18960 1915 18790 1916 18660 1917 18490 1918 18330 1919 18170 1920 18010 1921 17850 1922 17720 1923 17560 1924 17410 1925 17260 1926 17100 1927 16620 1928 16110 1929 15600 1930 15400 1931 15020 1932 14660 1933 14310 1934 13970 1935 13640 1936 13310 1937 12990 1938 12680 1939 12380 1940 12080 1941 11790 1942 11510 1943 11230 1944 10960 1945 10700 1946 10440 1947 10200 1948 9952 1949 9713 1950 9481 1951 9501 1952 9628 1953 9641 1954 9643 1955 9585 1956 9472 1957 9302 1958 9079 1959 8863 1960 8548 1961 8191 1962 7733 1963 7257 1964 6780 1965 6323 1966 5904 1967 5537 1968 5228 1969 4977 1970 4777 1971 4518 1972 4671 1973 4872 1974 5003 1975 5001 1976 4886 1977 4634 1978 4315 1979 4047 1980 3888 1981 3812 1982 3791 1983 3799 1984 3762 1985 3666 1986 3531 1987 3373 1988 3198 1989 3022 1990 2863 1991 2722 1992 2577 1993 2430 1994 2280 1995 2146 1996 2010 1997 1894 1998 1780 1999 1645 2000 1490 2001 1312 2002 1142 2003 1004 2004 902 2005 837 2006 804 2007 797 2008 801 2009 805 2010 807 2011 794 2012 777 2013 749 2014 719 2015 687