Year Number of 1800 91070 1801 91070 1802 91070 1803 91070 1804 91070 1805 91070 1806 91070 1807 91070 1808 91070 1809 91070 1810 91070 1811 91100 1812 91160 1813 91240 1814 91360 1815 91500 1816 91680 1817 91880 1818 92120 1819 92390 1820 92680 1821 93010 1822 93370 1823 93760 1824 94180 1825 94630 1826 95110 1827 95620 1828 96170 1829 96750 1830 97360 1831 98010 1832 98660 1833 99310 1834 99970 1835 100600 1836 101300 1837 102000 1838 102600 1839 103300 1840 104000 1841 104700 1842 105400 1843 106100 1844 106800 1845 107500 1846 108200 1847 108900 1848 109700 1849 110400 1850 111100 1851 111800 1852 112600 1853 113300 1854 114100 1855 114800 1856 115600 1857 116300 1858 117100 1859 117800 1860 118600 1861 119400 1862 120200 1863 121000 1864 121700 1865 122500 1866 123300 1867 124200 1868 125000 1869 125800 1870 126600 1871 127400 1872 128300 1873 129100 1874 129900 1875 130800 1876 131700 1877 132500 1878 133400 1879 134200 1880 135100 1881 136000 1882 136900 1883 137800 1884 138700 1885 139600 1886 140500 1887 141400 1888 142300 1889 143300 1890 144200 1891 145100 1892 146100 1893 147000 1894 148000 1895 149000 1896 149900 1897 150900 1898 151800 1899 152700 1900 153600 1901 154500 1902 155300 1903 156100 1904 157000 1905 157700 1906 158500 1907 159200 1908 160000 1909 160700 1910 161400 1911 162000 1912 162700 1913 163400 1914 164100 1915 164800 1916 165400 1917 166100 1918 166800 1919 167500 1920 168200 1921 168900 1922 169600 1923 170300 1924 171000 1925 171700 1926 172400 1927 173100 1928 173900 1929 174600 1930 176200 1931 177800 1932 179400 1933 180900 1934 182500 1935 184000 1936 185500 1937 187000 1938 188500 1939 189900 1940 191300 1941 188600 1942 186500 1943 183700 1944 181000 1945 178200 1946 176000 1947 173200 1948 170400 1949 167500 1950 165300 1951 165400 1952 167400 1953 169500 1954 171900 1955 174400 1956 177100 1957 180000 1958 183000 1959 186200 1960 189600 1961 193600 1962 197800 1963 202100 1964 206500 1965 210900 1966 215400 1967 219800 1968 224300 1969 218600 1970 221400 1971 224600 1972 227100 1973 228900 1974 231100 1975 233200 1976 235500 1977 237900 1978 240200 1979 242600 1980 245400 1981 249000 1982 252600 1983 256400 1984 260700 1985 265900 1986 270700 1987 275200 1988 280000 1989 286000 1990 294200 1991 302500 1992 312200 1993 322000 1994 330300 1995 336400 1996 341400 1997 343200 1998 342600 1999 341800 2000 341800 2001 341800 2002 342100 2003 342400 2004 342400 2005 341000 2006 337800 2007 334000 2008 329800 2009 325100 2010 321500 2011 317800 2012 314300 2013 310400 2014 308100 2015 304600