Year Number of
1800 240200
1801 240200
1802 240200
1803 240200
1804 240200
1805 240200
1806 240200
1807 240200
1808 240200
1809 240200
1810 240200
1811 240300
1812 240400
1813 240500
1814 240700
1815 241000
1816 241300
1817 241600
1818 242000
1819 242500
1820 243000
1821 243500
1822 244100
1823 244800
1824 245500
1825 246200
1826 247100
1827 247900
1828 248800
1829 249800
1830 250800
1831 251900
1832 253000
1833 254100
1834 255100
1835 256200
1836 257300
1837 258400
1838 259500
1839 260700
1840 261800
1841 262900
1842 264000
1843 265100
1844 266300
1845 267400
1846 268600
1847 269700
1848 270900
1849 272000
1850 273200
1851 274400
1852 275600
1853 276800
1854 278000
1855 279200
1856 280400
1857 281700
1858 282900
1859 284100
1860 285400
1861 286600
1862 287900
1863 289100
1864 290400
1865 291700
1866 293000
1867 294200
1868 295500
1869 296800
1870 298100
1871 299400
1872 300700
1873 302000
1874 303300
1875 304700
1876 306000
1877 307300
1878 308700
1879 310000
1880 311400
1881 312700
1882 314100
1883 315500
1884 316800
1885 318200
1886 319600
1887 321000
1888 322400
1889 323800
1890 325200
1891 326600
1892 328100
1893 329500
1894 330900
1895 332400
1896 333800
1897 335100
1898 336500
1899 337700
1900 339000
1901 340200
1902 341300
1903 342400
1904 343400
1905 344400
1906 345300
1907 346200
1908 347000
1909 347800
1910 348600
1911 349300
1912 350000
1913 350700
1914 351300
1915 352000
1916 352700
1917 353400
1918 354000
1919 354700
1920 355300
1921 355800
1922 356100
1923 356200
1924 356300
1925 357000
1926 357100
1927 357200
1928 357900
1929 358000
1930 375300
1931 392500
1932 409600
1933 426800
1934 443900
1935 460900
1936 477900
1937 494900
1938 511800
1939 528700
1940 545500
1941 562300
1942 579100
1943 595800
1944 612500
1945 629100
1946 633900
1947 638300
1948 642200
1949 647600
1950 650600
1951 651300
1952 655500
1953 661000
1954 666800
1955 673000
1956 679400
1957 686100
1958 693000
1959 699900
1960 706800
1961 713600
1962 720400
1963 730200
1964 718600
1965 714700
1966 712100
1967 707600
1968 702500
1969 697900
1970 695100
1971 693600
1972 691500
1973 689100
1974 688000
1975 687300
1976 686900
1977 685900
1978 685600
1979 686900
1980 690700
1981 700300
1982 711200
1983 725000
1984 740600
1985 759800
1986 780300
1987 798800
1988 816200
1989 832800
1990 848600
1991 864700
1992 880000
1993 895000
1994 908300
1995 920400
1996 930500
1997 934800
1998 935000
1999 932300
2000 929300
2001 926000
2002 919600
2003 911500
2004 901400
2005 888900
2006 875600
2007 859500
2008 843300
2009 826800
2010 811700
2011 798800
2012 786500
2013 775000
2014 762500
2015 750100