Year Number of 1800 66390 1801 66390 1802 66390 1803 66390 1804 66390 1805 66390 1806 66390 1807 66390 1808 66390 1809 66390 1810 66390 1811 66400 1812 66410 1813 66420 1814 66450 1815 66480 1816 66510 1817 66550 1818 66600 1819 66650 1820 66710 1821 66770 1822 66840 1823 66920 1824 67000 1825 67090 1826 67180 1827 67280 1828 67380 1829 67500 1830 67610 1831 67740 1832 67860 1833 67980 1834 68110 1835 68230 1836 68350 1837 68480 1838 68600 1839 68730 1840 68850 1841 68980 1842 69100 1843 69230 1844 69360 1845 69480 1846 69610 1847 69740 1848 69860 1849 69990 1850 70120 1851 70260 1852 70410 1853 70560 1854 70700 1855 70850 1856 71000 1857 71150 1858 71290 1859 71440 1860 71590 1861 71740 1862 71900 1863 72070 1864 72240 1865 72420 1866 72600 1867 72790 1868 72990 1869 73190 1870 73400 1871 73610 1872 73830 1873 74030 1874 74260 1875 74500 1876 74750 1877 74990 1878 75260 1879 75530 1880 75800 1881 76080 1882 76360 1883 76630 1884 76910 1885 77190 1886 77470 1887 77750 1888 78040 1889 78320 1890 78600 1891 78890 1892 79180 1893 79470 1894 79750 1895 80040 1896 80320 1897 80590 1898 80850 1899 81100 1900 81340 1901 81560 1902 81770 1903 81980 1904 82160 1905 82340 1906 82500 1907 82650 1908 82790 1909 82910 1910 83030 1911 83140 1912 83240 1913 83460 1914 83780 1915 84220 1916 84660 1917 85110 1918 85620 1919 86130 1920 86650 1921 87180 1922 87710 1923 88230 1924 88770 1925 89300 1926 90080 1927 90740 1928 91530 1929 92200 1930 92920 1931 93650 1932 94370 1933 95090 1934 95800 1935 96520 1936 97220 1937 97930 1938 98630 1939 99340 1940 100000 1941 100700 1942 101400 1943 102100 1944 102800 1945 103500 1946 104100 1947 104800 1948 105500 1949 106200 1950 106800 1951 105900 1952 109900 1953 109200 1954 108600 1955 108200 1956 107900 1957 107800 1958 108200 1959 108800 1960 109500 1961 110200 1962 111000 1963 106900 1964 105600 1965 104900 1966 105200 1967 105500 1968 105800 1969 105100 1970 103700 1971 101700 1972 98820 1973 95960 1974 93640 1975 92400 1976 90980 1977 90130 1978 89490 1979 88620 1980 87160 1981 85140 1982 82660 1983 80100 1984 77900 1985 76260 1986 75110 1987 74320 1988 73940 1989 74100 1990 74900 1991 75600 1992 76670 1993 77710 1994 78130 1995 77470 1996 76170 1997 73500 1998 69710 1999 65900 2000 62570 2001 59890 2002 57940 2003 56550 2004 55120 2005 53520 2006 51590 2007 49520 2008 47260 2009 45080 2010 42830 2011 40770 2012 38900 2013 37220 2014 35660 2015 34350