Year Number of 1800 22950 1801 22950 1802 22950 1803 22960 1804 22960 1805 22960 1806 22960 1807 22970 1808 22970 1809 22970 1810 22970 1811 22990 1812 23020 1813 23070 1814 23140 1815 23220 1816 23320 1817 23430 1818 23560 1819 23710 1820 23880 1821 24060 1822 24260 1823 24480 1824 24710 1825 24970 1826 25240 1827 25540 1828 25850 1829 26180 1830 26540 1831 26910 1832 27280 1833 27670 1834 28060 1835 28450 1836 28850 1837 29260 1838 29670 1839 30080 1840 30500 1841 30930 1842 31360 1843 31800 1844 32240 1845 32690 1846 33140 1847 33600 1848 34060 1849 34520 1850 35000 1851 35480 1852 35960 1853 36460 1854 36960 1855 37460 1856 37970 1857 38480 1858 39010 1859 39530 1860 40070 1861 40600 1862 41150 1863 41690 1864 42250 1865 42810 1866 43380 1867 43950 1868 44520 1869 45110 1870 45700 1871 46290 1872 46900 1873 47490 1874 48100 1875 48720 1876 49350 1877 49960 1878 50600 1879 51240 1880 51900 1881 52530 1882 53200 1883 53880 1884 54540 1885 55210 1886 55850 1887 56530 1888 57150 1889 57730 1890 58290 1891 58820 1892 59360 1893 59900 1894 60450 1895 61010 1896 61560 1897 62150 1898 62780 1899 63440 1900 64140 1901 64780 1902 65430 1903 66090 1904 66750 1905 67410 1906 68060 1907 68680 1908 69330 1909 69960 1910 70600 1911 71230 1912 71860 1913 72480 1914 73110 1915 73750 1916 74390 1917 75030 1918 75660 1919 76300 1920 77030 1921 77840 1922 78730 1923 79630 1924 80550 1925 81480 1926 82410 1927 83350 1928 84310 1929 85270 1930 87190 1931 89110 1932 91010 1933 92900 1934 94770 1935 96640 1936 98490 1937 100300 1938 102200 1939 104000 1940 105800 1941 105200 1942 104200 1943 105700 1944 107300 1945 108800 1946 110300 1947 111800 1948 113300 1949 114700 1950 116200 1951 117000 1952 114600 1953 112700 1954 110400 1955 108100 1956 106400 1957 104200 1958 102500 1959 101300 1960 100800 1961 100300 1962 99970 1963 99410 1964 98540 1965 97240 1966 95760 1967 93960 1968 92010 1969 90140 1970 88340 1971 86550 1972 84580 1973 82670 1974 81010 1975 79770 1976 79150 1977 79040 1978 79240 1979 79140 1980 78350 1981 76770 1982 74110 1983 70630 1984 67000 1985 63800 1986 60920 1987 58630 1988 56780 1989 54870 1990 52690 1991 50150 1992 47100 1993 43710 1994 40270 1995 36910 1996 33820 1997 30920 1998 28280 1999 25900 2000 23780 2001 21980 2002 20440 2003 19120 2004 17920 2005 16870 2006 15890 2007 14950 2008 14060 2009 13340 2010 12680 2011 12120 2012 11660 2013 11270 2014 10840 2015 10480