Year Number of 1800 67560 1801 67560 1802 67560 1803 67560 1804 67560 1805 67560 1806 67560 1807 67560 1808 67560 1809 67560 1810 67560 1811 67570 1812 67590 1813 67630 1814 67680 1815 67740 1816 67820 1817 67900 1818 68000 1819 68110 1820 68240 1821 68380 1822 68530 1823 68690 1824 68870 1825 69060 1826 69260 1827 69480 1828 69710 1829 69950 1830 70200 1831 70470 1832 70740 1833 71010 1834 71280 1835 71560 1836 71830 1837 72100 1838 72380 1839 72660 1840 72940 1841 73210 1842 73490 1843 73780 1844 74060 1845 74340 1846 74630 1847 74910 1848 75200 1849 75490 1850 75780 1851 76100 1852 76420 1853 76750 1854 77070 1855 77400 1856 77730 1857 78060 1858 78390 1859 78730 1860 79060 1861 79400 1862 79750 1863 80100 1864 80460 1865 80830 1866 81200 1867 81580 1868 81960 1869 82360 1870 82750 1871 83160 1872 83570 1873 83960 1874 84380 1875 84820 1876 85260 1877 85690 1878 86150 1879 86620 1880 87090 1881 87560 1882 88030 1883 88510 1884 88980 1885 89440 1886 89880 1887 90360 1888 90760 1889 91150 1890 91500 1891 91840 1892 92140 1893 92420 1894 92680 1895 92900 1896 93110 1897 93340 1898 93590 1899 93850 1900 94130 1901 94420 1902 94660 1903 94990 1904 95350 1905 95730 1906 96090 1907 96430 1908 96760 1909 97080 1910 97400 1911 97680 1912 97950 1913 98390 1914 99010 1915 99800 1916 100600 1917 101400 1918 102200 1919 102900 1920 103700 1921 104500 1922 105300 1923 106100 1924 106900 1925 107700 1926 108300 1927 109100 1928 109800 1929 110500 1930 112400 1931 114400 1932 116300 1933 118300 1934 120200 1935 122100 1936 124000 1937 125900 1938 127700 1939 129600 1940 131400 1941 133300 1942 134300 1943 135400 1944 136400 1945 137300 1946 138300 1947 139200 1948 140100 1949 141000 1950 141800 1951 142300 1952 143500 1953 144500 1954 145500 1955 146300 1956 148200 1957 145500 1958 141600 1959 137400 1960 134600 1961 132700 1962 132600 1963 133700 1964 134800 1965 135100 1966 134500 1967 133300 1968 131800 1969 130500 1970 129600 1971 129100 1972 128400 1973 127900 1974 127400 1975 127100 1976 127000 1977 126600 1978 125900 1979 125000 1980 123800 1981 122500 1982 120700 1983 118600 1984 116200 1985 113800 1986 111100 1987 107900 1988 104600 1989 101200 1990 97910 1991 94260 1992 90650 1993 87010 1994 83460 1995 79910 1996 76600 1997 73270 1998 69580 1999 65680 2000 61510 2001 57400 2002 53150 2003 48970 2004 45010 2005 41560 2006 38420 2007 35800 2008 33380 2009 31100 2010 28850 2011 26600 2012 24390 2013 22480 2014 21020 2015 19900