Year Number of
1800 355900
1801 348500
1802 340200
1803 333000
1804 325900
1805 317900
1806 311000
1807 298100
1808 285700
1809 273700
1810 262300
1811 254200
1812 246500
1813 239000
1814 231800
1815 224800
1816 218100
1817 226900
1818 235800
1819 251400
1820 230100
1821 232400
1822 250700
1823 234800
1824 248500
1825 249000
1826 247800
1827 232600
1828 256300
1829 233400
1830 232800
1831 233500
1832 245600
1833 236400
1834 279000
1835 229000
1836 214000
1837 226500
1838 236700
1839 221400
1840 215400
1841 215700
1842 220700
1843 218400
1844 203500
1845 190200
1846 216700
1847 204700
1848 208600
1849 235500
1850 184900
1851 206000
1852 211000
1853 197000
1854 262900
1855 267200
1856 229500
1857 251000
1858 253400
1859 347700
1860 195000
1861 253400
1862 210700
1863 233100
1864 226700
1865 264300
1866 222400
1867 226800
1868 264100
1869 245900
1870 297000
1871 300400
1872 261300
1873 267200
1874 243600
1875 246100
1876 244200
1877 234400
1878 244000
1879 229700
1880 246400
1881 238400
1882 242100
1883 242100
1884 253800
1885 231200
1886 237300
1887 227300
1888 222500
1889 210500
1890 219000
1891 213100
1892 223800
1893 227900
1894 202700
1895 199300
1896 184000
1897 185600
1898 201000
1899 207000
1900 193300
1901 185000
1902 173600
1903 167800
1904 172200
1905 160700
1906 168600
1907 148600
1908 150300
1909 134700
1910 129100
1911 157400
1912 121900
1913 125300
1914 113600
1915 78100
1916 61120
1917 71960
1918 101600
1919 86920
1920 135100
1921 121300
1922 87060
1923 97540
1924 85290
1925 93230
1926 97360
1927 82820
1928 89240
1929 89220
1930 75200
1931 72160
1932 73440
1933 69580
1934 67950
1935 64040
1936 64580
1937 62940
1938 62910
1939 60350
1940 81470
1941 66660
1942 68520
1943 71950
1944 74860
1945 97410
1946 69700
1947 59400
1948 46820
1949 50570
1950 58260
1951 46490
1952 37920
1953 32250
1954 28700
1955 26800
1956 25510
1957 25010
1958 24820
1959 24660
1960 24340
1961 23820
1962 23040
1963 22020
1964 20920
1965 19740
1966 18750
1967 17720
1968 16750
1969 15790
1970 14900
1971 14250
1972 13760
1973 13370
1974 13020
1975 12540
1976 11770
1977 10720
1978 9660
1979 8859
1980 8434
1981 8216
1982 8331
1983 8544
1984 8662
1985 8561
1986 8329
1987 7990
1988 7531
1989 7002
1990 6567
1991 6148
1992 5734
1993 5377
1994 4975
1995 4649
1996 4397
1997 4230
1998 4140
1999 4121
2000 4096
2001 4065
2002 3940
2003 3804
2004 3663
2005 3595
2006 3529
2007 3455
2008 3378
2009 3377
2010 3376
2011 3379
2012 3383
2013 3463
2014 3462
2015 3378