Year Number of
1800 330800
1801 332000
1802 333200
1803 334300
1804 335500
1805 335600
1806 336800
1807 338000
1808 339200
1809 340300
1810 341600
1811 342800
1812 344100
1813 345500
1814 346900
1815 347300
1816 348800
1817 350400
1818 352000
1819 353700
1820 355400
1821 357200
1822 359100
1823 361000
1824 363000
1825 365000
1826 366000
1827 368200
1828 370400
1829 372700
1830 375100
1831 377500
1832 379900
1833 382400
1834 384800
1835 387300
1836 388600
1837 391100
1838 393600
1839 396200
1840 398700
1841 401300
1842 403900
1843 406500
1844 409100
1845 411700
1846 414400
1847 415800
1848 418500
1849 421100
1850 423900
1851 423100
1852 422900
1853 422100
1854 422000
1855 421200
1856 420400
1857 420200
1858 418000
1859 417800
1860 416800
1861 415800
1862 416200
1863 454400
1864 460200
1865 466100
1866 472000
1867 477900
1868 484000
1869 479200
1870 474300
1871 469200
1872 464200
1873 423200
1874 420900
1875 422100
1876 396500
1877 386900
1878 393800
1879 396800
1880 411400
1881 410900
1882 417100
1883 400500
1884 375700
1885 381800
1886 391900
1887 385300
1888 374900
1889 354700
1890 359300
1891 363300
1892 350200
1893 342400
1894 342400
1895 349200
1896 334400
1897 306200
1898 315400
1899 296500
1900 322500
1901 301600
1902 318100
1903 305600
1904 293500
1905 299200
1906 292200
1907 280400
1908 304500
1909 289500
1910 270200
1911 289500
1912 246500
1913 254600
1914 233200
1915 274000
1916 284000
1917 257100
1918 385300
1919 260600
1920 259900
1921 235000
1922 220200
1923 213100
1924 204800
1925 207500
1926 217500
1927 201300
1928 201100
1929 202000
1930 178800
1931 176100
1932 173100
1933 157300
1934 154300
1935 155300
1936 148500
1937 163600
1938 157600
1939 139600
1940 139900
1941 149300
1942 148600
1943 150400
1944 129900
1945 132700
1946 128300
1947 103300
1948 86240
1949 84270
1950 92960
1951 75890
1952 63300
1953 54820
1954 49550
1955 46770
1956 45520
1957 45710
1958 46550
1959 47210
1960 47390
1961 46960
1962 45980
1963 44480
1964 42460
1965 40440
1966 38300
1967 36110
1968 33900
1969 31890
1970 29960
1971 28060
1972 26240
1973 24300
1974 22110
1975 19770
1976 17400
1977 15250
1978 13290
1979 11740
1980 10560
1981 9624
1982 8862
1983 8280
1984 7739
1985 7253
1986 6765
1987 6393
1988 6079
1989 5774
1990 5539
1991 5263
1992 4993
1993 4724
1994 4400
1995 4077
1996 3753
1997 3483
1998 3224
1999 3045
2000 2845
2001 2715
2002 2661
2003 2562
2004 2507
2005 2488
2006 2460
2007 2413
2008 2348
2009 2325
2010 2229
2011 2124
2012 2004
2013 1882
2014 1776
2015 1693