Year Number of 1800 13840 1801 13840 1802 13840 1803 13840 1804 13840 1805 13840 1806 13840 1807 13840 1808 13840 1809 13840 1810 13840 1811 13850 1812 13850 1813 13870 1814 13880 1815 13900 1816 13930 1817 13960 1818 13990 1819 14030 1820 14080 1821 14120 1822 14170 1823 14230 1824 14290 1825 14360 1826 14420 1827 14500 1828 14580 1829 14660 1830 14750 1831 14840 1832 14940 1833 15030 1834 15120 1835 15220 1836 15320 1837 15410 1838 15510 1839 15610 1840 15710 1841 15800 1842 15900 1843 16000 1844 16110 1845 16210 1846 16310 1847 16410 1848 16520 1849 16620 1850 16720 1851 16830 1852 16940 1853 17040 1854 17150 1855 17260 1856 17360 1857 17470 1858 17580 1859 17690 1860 17800 1861 17920 1862 18030 1863 18140 1864 18250 1865 18370 1866 18480 1867 18600 1868 18720 1869 18830 1870 18950 1871 19070 1872 19190 1873 19310 1874 19430 1875 19550 1876 19670 1877 19790 1878 19920 1879 20040 1880 20170 1881 20290 1882 20420 1883 20550 1884 20680 1885 20800 1886 20940 1887 21070 1888 21200 1889 21330 1890 21460 1891 21600 1892 21730 1893 21870 1894 22010 1895 22140 1896 22280 1897 22410 1898 22540 1899 22670 1900 22800 1901 22920 1902 23040 1903 23160 1904 23270 1905 23380 1906 23490 1907 23590 1908 23690 1909 23790 1910 23890 1911 23980 1912 24080 1913 24170 1914 24260 1915 24350 1916 24450 1917 24540 1918 24640 1919 24730 1920 24820 1921 24920 1922 25010 1923 25110 1924 25200 1925 25300 1926 25400 1927 25490 1928 25590 1929 25680 1930 25790 1931 25890 1932 26000 1933 26100 1934 26200 1935 26300 1936 26400 1937 26500 1938 26600 1939 26700 1940 26800 1941 26890 1942 26990 1943 27080 1944 27170 1945 27270 1946 26120 1947 25010 1948 23960 1949 22940 1950 21970 1951 21010 1952 20180 1953 19410 1954 18680 1955 17520 1956 17130 1957 16640 1958 16150 1959 15720 1960 15370 1961 15070 1962 14870 1963 14730 1964 14620 1965 14520 1966 14360 1967 14200 1968 14050 1969 14000 1970 14100 1971 14340 1972 14700 1973 15040 1974 15230 1975 15180 1976 14860 1977 14290 1978 13630 1979 13040 1980 12680 1981 12510 1982 12560 1983 12750 1984 12900 1985 12950 1986 12890 1987 12710 1988 12490 1989 12320 1990 12270 1991 12350 1992 12530 1993 12800 1994 13100 1995 13380 1996 13660 1997 13910 1998 14150 1999 14300 2000 14410 2001 14460 2002 14440 2003 14330 2004 14240 2005 14170 2006 14090 2007 14040 2008 13930 2009 13780 2010 13570 2011 13300 2012 12960 2013 12640 2014 12280 2015 11960