Year Number of 1800 22640 1801 22590 1802 22540 1803 22500 1804 22450 1805 22400 1806 22360 1807 22310 1808 22260 1809 22220 1810 22170 1811 22130 1812 22110 1813 22090 1814 22080 1815 22080 1816 22100 1817 22120 1818 22150 1819 22200 1820 22250 1821 22310 1822 22380 1823 22470 1824 22560 1825 22660 1826 22780 1827 22900 1828 23040 1829 23180 1830 23340 1831 23500 1832 23670 1833 23840 1834 24000 1835 24180 1836 24350 1837 24520 1838 24690 1839 24870 1840 25040 1841 25220 1842 25400 1843 25580 1844 25760 1845 25940 1846 26130 1847 26310 1848 26500 1849 26690 1850 26880 1851 27070 1852 27260 1853 27450 1854 27640 1855 27840 1856 28040 1857 28230 1858 28430 1859 28630 1860 28840 1861 29040 1862 29240 1863 29450 1864 29660 1865 29870 1866 30080 1867 30290 1868 30500 1869 30720 1870 30940 1871 31150 1872 31370 1873 31590 1874 31810 1875 32030 1876 32260 1877 32480 1878 32710 1879 32940 1880 33170 1881 33400 1882 33630 1883 33870 1884 34100 1885 34340 1886 34590 1887 34820 1888 35070 1889 35320 1890 35570 1891 35820 1892 36070 1893 36320 1894 36580 1895 36840 1896 37100 1897 37360 1898 37620 1899 37890 1900 38160 1901 37760 1902 37420 1903 37020 1904 36630 1905 36290 1906 35900 1907 35510 1908 35160 1909 34780 1910 34390 1911 34050 1912 33660 1913 33280 1914 32940 1915 32550 1916 32170 1917 31830 1918 31450 1919 31070 1920 30730 1921 30360 1922 29980 1923 29640 1924 29260 1925 28890 1926 28550 1927 28180 1928 27800 1929 27470 1930 27000 1931 25930 1932 24910 1933 23920 1934 22970 1935 22060 1936 21190 1937 20350 1938 19540 1939 18760 1940 18010 1941 17290 1942 16600 1943 15940 1944 15300 1945 14690 1946 14100 1947 13530 1948 12980 1949 12460 1950 11950 1951 11870 1952 11730 1953 11580 1954 11410 1955 11240 1956 11040 1957 10820 1958 10570 1959 10280 1960 9889 1961 9659 1962 9361 1963 8997 1964 8586 1965 8160 1966 7756 1967 7409 1968 7136 1969 6942 1970 6817 1971 6739 1972 6679 1973 6611 1974 6531 1975 6961 1976 6764 1977 6419 1978 5987 1979 5579 1980 5303 1981 5148 1982 5071 1983 5062 1984 5053 1985 5027 1986 4986 1987 4924 1988 4835 1989 4689 1990 4497 1991 4313 1992 4068 1993 3793 1994 3497 1995 3209 1996 2882 1997 2573 1998 2294 1999 2052 2000 1863 2001 1709 2002 1603 2003 1529 2004 1460 2005 1391 2006 1323 2007 1248 2008 1173 2009 1101 2010 1026 2011 955 2012 877 2013 801 2014 734 2015 673