Year Number of
1800 154400
1801 154800
1802 155100
1803 155500
1804 155800
1805 156200
1806 156500
1807 156900
1808 157300
1809 157600
1810 158000
1811 158400
1812 158800
1813 159200
1814 159600
1815 160100
1816 160600
1817 161100
1818 161600
1819 162200
1820 162800
1821 163400
1822 164000
1823 164700
1824 165300
1825 166000
1826 166800
1827 167500
1828 168300
1829 169100
1830 169900
1831 170800
1832 171600
1833 172500
1834 173300
1835 174200
1836 175100
1837 175900
1838 176800
1839 177700
1840 178600
1841 179500
1842 180400
1843 181300
1844 182200
1845 183100
1846 184000
1847 184900
1848 185900
1849 186800
1850 187700
1851 188600
1852 189500
1853 190400
1854 191300
1855 192200
1856 193100
1857 194000
1858 194900
1859 195800
1860 196700
1861 197700
1862 198600
1863 199600
1864 200600
1865 201600
1866 202600
1867 203600
1868 204700
1869 205800
1870 206800
1871 208000
1872 209100
1873 210100
1874 211300
1875 212500
1876 213700
1877 214900
1878 216200
1879 217400
1880 218700
1881 220000
1882 221300
1883 222600
1884 223900
1885 225300
1886 226600
1887 227900
1888 229300
1889 230600
1890 232000
1891 233400
1892 234800
1893 236200
1894 237600
1895 238900
1896 240300
1897 241700
1898 243000
1899 244300
1900 245600
1901 246900
1902 248100
1903 249200
1904 250400
1905 251500
1906 252600
1907 253600
1908 254600
1909 255500
1910 256500
1911 257400
1912 258300
1913 259800
1914 261800
1915 264300
1916 266900
1917 269500
1918 272300
1919 275000
1920 277700
1921 280500
1922 283300
1923 286200
1924 289000
1925 291900
1926 294500
1927 297400
1928 300000
1929 302600
1930 307500
1931 312300
1932 316200
1933 320100
1934 323900
1935 327600
1936 331300
1937 335000
1938 338500
1939 342100
1940 345600
1941 334700
1942 324100
1943 314600
1944 304200
1945 294000
1946 283800
1947 273900
1948 264000
1949 268200
1950 272500
1951 276000
1952 282400
1953 288600
1954 294800
1955 300900
1956 306900
1957 312800
1958 318600
1959 316700
1960 314700
1961 312500
1962 310200
1963 307800
1964 305400
1965 302900
1966 300300
1967 297600
1968 277700
1969 259300
1970 242700
1971 219400
1972 212400
1973 206600
1974 201400
1975 197300
1976 193000
1977 188700
1978 184400
1979 180300
1980 176600
1981 173300
1982 170300
1983 167300
1984 163200
1985 157500
1986 150400
1987 141600
1988 131600
1989 120600
1990 109600
1991 99250
1992 89020
1993 79500
1994 71160
1995 64500
1996 58810
1997 54570
1998 51100
1999 48060
2000 44860
2001 41520
2002 38310
2003 35390
2004 32960
2005 31120
2006 29990
2007 29140
2008 28270
2009 27470
2010 26640
2011 25680
2012 24610
2013 23480
2014 22210
2015 21010