Year Number of 1800 41120 1801 41120 1802 41120 1803 41120 1804 41120 1805 41120 1806 41120 1807 41120 1808 41120 1809 41120 1810 41120 1811 41120 1812 41130 1813 41140 1814 41160 1815 41180 1816 41210 1817 41240 1818 41270 1819 41310 1820 41360 1821 41400 1822 41460 1823 41520 1824 41580 1825 41640 1826 41720 1827 41790 1828 41870 1829 41960 1830 42050 1831 42140 1832 42240 1833 42330 1834 42420 1835 42520 1836 42610 1837 42710 1838 42800 1839 42900 1840 43000 1841 43090 1842 43190 1843 43280 1844 43380 1845 43480 1846 43580 1847 43670 1848 43770 1849 43870 1850 43970 1851 44060 1852 44160 1853 44250 1854 44340 1855 44440 1856 44540 1857 44630 1858 44730 1859 44820 1860 44920 1861 45020 1862 45120 1863 45220 1864 45320 1865 45430 1866 45540 1867 45650 1868 45760 1869 45880 1870 46000 1871 46120 1872 46240 1873 46360 1874 46480 1875 46620 1876 46750 1877 46880 1878 47020 1879 47160 1880 47310 1881 47450 1882 47590 1883 47740 1884 47880 1885 48030 1886 48180 1887 48320 1888 48470 1889 48620 1890 48760 1891 48910 1892 49060 1893 49210 1894 49360 1895 49510 1896 49650 1897 49790 1898 49920 1899 50050 1900 50160 1901 50270 1902 50380 1903 50470 1904 50560 1905 50630 1906 50700 1907 50760 1908 50820 1909 50860 1910 50910 1911 50940 1912 50980 1913 51030 1914 51100 1915 51180 1916 51260 1917 51350 1918 51440 1919 51530 1920 51620 1921 51700 1922 51790 1923 51880 1924 51970 1925 52060 1926 52210 1927 52440 1928 52600 1929 52760 1930 52960 1931 53160 1932 53350 1933 53540 1934 53730 1935 53920 1936 54100 1937 54290 1938 54470 1939 54650 1940 54830 1941 55010 1942 55180 1943 55360 1944 55530 1945 55700 1946 52820 1947 50200 1948 47490 1949 44870 1950 42310 1951 42150 1952 42420 1953 42780 1954 43230 1955 43750 1956 44350 1957 45020 1958 45750 1959 46530 1960 47350 1961 47490 1962 47640 1963 47800 1964 48000 1965 48220 1966 48510 1967 48860 1968 49280 1969 49790 1970 50360 1971 49100 1972 44920 1973 44080 1974 43560 1975 43160 1976 42580 1977 41860 1978 41310 1979 40860 1980 40550 1981 40010 1982 39600 1983 39030 1984 38010 1985 36360 1986 34680 1987 32460 1988 29960 1989 27440 1990 25050 1991 22990 1992 21100 1993 19480 1994 18130 1995 16940 1996 15870 1997 15040 1998 14310 1999 13630 2000 13110 2001 12470 2002 11940 2003 11490 2004 11110 2005 10950 2006 10870 2007 10870 2008 10840 2009 10820 2010 10640 2011 10440 2012 10150 2013 9795 2014 9405 2015 9002