Year Number of 1800 22560 1801 22580 1802 22590 1803 22610 1804 22630 1805 22640 1806 22660 1807 22680 1808 22690 1809 22710 1810 22730 1811 22750 1812 22780 1813 22820 1814 22870 1815 22920 1816 22980 1817 23050 1818 23130 1819 23210 1820 23310 1821 23410 1822 23510 1823 23630 1824 23750 1825 23890 1826 24030 1827 24180 1828 24330 1829 24500 1830 24670 1831 24860 1832 25040 1833 25220 1834 25410 1835 25600 1836 25790 1837 25980 1838 26170 1839 26360 1840 26560 1841 26760 1842 26950 1843 27150 1844 27350 1845 27560 1846 27760 1847 27960 1848 28170 1849 28380 1850 28590 1851 28800 1852 29010 1853 29220 1854 29440 1855 29650 1856 29870 1857 30090 1858 30310 1859 30530 1860 30760 1861 30990 1862 31230 1863 31480 1864 31740 1865 32010 1866 32280 1867 32570 1868 32870 1869 33170 1870 33490 1871 33810 1872 34150 1873 34450 1874 34810 1875 35180 1876 35560 1877 35930 1878 36340 1879 36760 1880 37190 1881 37610 1882 38050 1883 38500 1884 38940 1885 39390 1886 39850 1887 40310 1888 40780 1889 41260 1890 41740 1891 42230 1892 42720 1893 43220 1894 43730 1895 44240 1896 44750 1897 45260 1898 45770 1899 46280 1900 46790 1901 47290 1902 47790 1903 48290 1904 48790 1905 49290 1906 49780 1907 50260 1908 50740 1909 51230 1910 51710 1911 52190 1912 52680 1913 53330 1914 54170 1915 55190 1916 56230 1917 57290 1918 58370 1919 59480 1920 60600 1921 61740 1922 62910 1923 64100 1924 65300 1925 66540 1926 68140 1927 69780 1928 71460 1929 73180 1930 76320 1931 79440 1932 82540 1933 85620 1934 88690 1935 91750 1936 94780 1937 97800 1938 100800 1939 103800 1940 106800 1941 109300 1942 167800 1943 162900 1944 158200 1945 153400 1946 148800 1947 144200 1948 139500 1949 134800 1950 78900 1951 92320 1952 99840 1953 101100 1954 97040 1955 89380 1956 80890 1957 70680 1958 60810 1959 53010 1960 48400 1961 46020 1962 46800 1963 49260 1964 51770 1965 53340 1966 54090 1967 54110 1968 53440 1969 52320 1970 51000 1971 49420 1972 47410 1973 45230 1974 43300 1975 41810 1976 40850 1977 40330 1978 40070 1979 39800 1980 39280 1981 38740 1982 37950 1983 37140 1984 36390 1985 35750 1986 35370 1987 35210 1988 35120 1989 35150 1990 35200 1991 35080 1992 34900 1993 34890 1994 34910 1995 35150 1996 35530 1997 36130 1998 36680 1999 37070 2000 37180 2001 37060 2002 36750 2003 36440 2004 36190 2005 36250 2006 36710 2007 37460 2008 38340 2009 39180 2010 39740 2011 39870 2012 39810 2013 39560 2014 39100 2015 38680