Year Number of 1800 45410 1801 45570 1802 45740 1803 45900 1804 46060 1805 46230 1806 46390 1807 46560 1808 46730 1809 46900 1810 47080 1811 47250 1812 47440 1813 47630 1814 47830 1815 48040 1816 48260 1817 48480 1818 48720 1819 48960 1820 49220 1821 49480 1822 49750 1823 50030 1824 50320 1825 50620 1826 50920 1827 51240 1828 51570 1829 51900 1830 52250 1831 52610 1832 52960 1833 53320 1834 53690 1835 54050 1836 54420 1837 54790 1838 55170 1839 55540 1840 55920 1841 56300 1842 56680 1843 57070 1844 57460 1845 57850 1846 58250 1847 58640 1848 59040 1849 59440 1850 59850 1851 60260 1852 60670 1853 61080 1854 61500 1855 61920 1856 62340 1857 62770 1858 63200 1859 63630 1860 64060 1861 64500 1862 64940 1863 65390 1864 65840 1865 66290 1866 66750 1867 67210 1868 67670 1869 68140 1870 68620 1871 69090 1872 69580 1873 70050 1874 70540 1875 71030 1876 71530 1877 72020 1878 72530 1879 73040 1880 73560 1881 74070 1882 74600 1883 75120 1884 75640 1885 76180 1886 76720 1887 77260 1888 77800 1889 78350 1890 78910 1891 79460 1892 80030 1893 80590 1894 81160 1895 81730 1896 82300 1897 82860 1898 83410 1899 83950 1900 84490 1901 85010 1902 85520 1903 86020 1904 86520 1905 87000 1906 87470 1907 87920 1908 88360 1909 88800 1910 89230 1911 89650 1912 90070 1913 90740 1914 91660 1915 92840 1916 94020 1917 95190 1918 96380 1919 97570 1920 98780 1921 100000 1922 101200 1923 102500 1924 103800 1925 105100 1926 106300 1927 107700 1928 109000 1929 110300 1930 113100 1931 115800 1932 118500 1933 121200 1934 123800 1935 126500 1936 129100 1937 131700 1938 134300 1939 136900 1940 139400 1941 136700 1942 134000 1943 131100 1944 128200 1945 129000 1946 129800 1947 130500 1948 131200 1949 131800 1950 132500 1951 133300 1952 136600 1953 139800 1954 142900 1955 144700 1956 142900 1957 142300 1958 140300 1959 138300 1960 137600 1961 138000 1962 139700 1963 141800 1964 143100 1965 142800 1966 141300 1967 138100 1968 133800 1969 129600 1970 126100 1971 123100 1972 120500 1973 117900 1974 115500 1975 113100 1976 110300 1977 107300 1978 104100 1979 101000 1980 97890 1981 95010 1982 92080 1983 88820 1984 84970 1985 80560 1986 75590 1987 70030 1988 64530 1989 59800 1990 55980 1991 53140 1992 51060 1993 49380 1994 47440 1995 45070 1996 42270 1997 39180 1998 35990 1999 33100 2000 30720 2001 28850 2002 27280 2003 26080 2004 25150 2005 24430 2006 23890 2007 23510 2008 23180 2009 22940 2010 22550 2011 22190 2012 21730 2013 21280 2014 20580 2015 19760