Year Number of 1800 55380 1801 55580 1802 55780 1803 55980 1804 56180 1805 56380 1806 56580 1807 56780 1808 56990 1809 57190 1810 57410 1811 57630 1812 57850 1813 58090 1814 58330 1815 58590 1816 58850 1817 59130 1818 59420 1819 59710 1820 60020 1821 60340 1822 60670 1823 61010 1824 61370 1825 61730 1826 62110 1827 62490 1828 62890 1829 63300 1830 63720 1831 64160 1832 64600 1833 65040 1834 65480 1835 65920 1836 66370 1837 66820 1838 67280 1839 67740 1840 68200 1841 68660 1842 69130 1843 69600 1844 70080 1845 70560 1846 71040 1847 71520 1848 72010 1849 72500 1850 72990 1851 73500 1852 74010 1853 74530 1854 75050 1855 75570 1856 76100 1857 76630 1858 77160 1859 77700 1860 78240 1861 78790 1862 79360 1863 79930 1864 80520 1865 81120 1866 81740 1867 82360 1868 83000 1869 83650 1870 84310 1871 84990 1872 85680 1873 86330 1874 87050 1875 87780 1876 88530 1877 89260 1878 90050 1879 90850 1880 91660 1881 92460 1882 93280 1883 94120 1884 94940 1885 95790 1886 96640 1887 97490 1888 98360 1889 99240 1890 100100 1891 101000 1892 101900 1893 102800 1894 103700 1895 104700 1896 105600 1897 106500 1898 107400 1899 108300 1900 109200 1901 110100 1902 110900 1903 111800 1904 112600 1905 113500 1906 114300 1907 115100 1908 115900 1909 116700 1910 117400 1911 118200 1912 119000 1913 119900 1914 121000 1915 122300 1916 123600 1917 125000 1918 126300 1919 127600 1920 129000 1921 130300 1922 131700 1923 133100 1924 133300 1925 133900 1926 135100 1927 135800 1928 136700 1929 137500 1930 138800 1931 140000 1932 140800 1933 142000 1934 142700 1935 143400 1936 143600 1937 144200 1938 144700 1939 145200 1940 145700 1941 146200 1942 148000 1943 149800 1944 151600 1945 148300 1946 145100 1947 141900 1948 138700 1949 135600 1950 132500 1951 128900 1952 126300 1953 124100 1954 118500 1955 121500 1956 124000 1957 124400 1958 124100 1959 123900 1960 125500 1961 128200 1962 133000 1963 139300 1964 145600 1965 151300 1966 155900 1967 158500 1968 159800 1969 160500 1970 161000 1971 161100 1972 160600 1973 159600 1974 157700 1975 154800 1976 150800 1977 145600 1978 139100 1979 131400 1980 122100 1981 110400 1982 97220 1983 83670 1984 70860 1985 60270 1986 52370 1987 46760 1988 43020 1989 40480 1990 38690 1991 37340 1992 36180 1993 34880 1994 33370 1995 31630 1996 29730 1997 27660 1998 25770 1999 24230 2000 23110 2001 22270 2002 21740 2003 21520 2004 21580 2005 21840 2006 22340 2007 23030 2008 23740 2009 24340 2010 24680 2011 24900 2012 24980 2013 24920 2014 24680 2015 24270