Year Number of
1800 188800
1801 189300
1802 189800
1803 190300
1804 190800
1805 191400
1806 191900
1807 192400
1808 193000
1809 193500
1810 194100
1811 194600
1812 195200
1813 195900
1814 196600
1815 197300
1816 198100
1817 198900
1818 199700
1819 200600
1820 201600
1821 202500
1822 203600
1823 204600
1824 205700
1825 206900
1826 208100
1827 209300
1828 210600
1829 211900
1830 213300
1831 214700
1832 216200
1833 217600
1834 219100
1835 220500
1836 222000
1837 223500
1838 225000
1839 226500
1840 228000
1841 229500
1842 231000
1843 232500
1844 233900
1845 235400
1846 236900
1847 238400
1848 239800
1849 230400
1850 221300
1851 210300
1852 199800
1853 189800
1854 180300
1855 171100
1856 162700
1857 154400
1858 154900
1859 173300
1860 162000
1861 167000
1862 172300
1863 184600
1864 202300
1865 201000
1866 184200
1867 188900
1868 198200
1869 190600
1870 196100
1871 195600
1872 195200
1873 194700
1874 194300
1875 194000
1876 193600
1877 193200
1878 192900
1879 187300
1880 185600
1881 193800
1882 193100
1883 202700
1884 191500
1885 196600
1886 181900
1887 204700
1888 191800
1889 194400
1890 186200
1891 193600
1892 197900
1893 200500
1894 198600
1895 202400
1896 210300
1897 202500
1898 200400
1899 208700
1900 209800
1901 197500
1902 193300
1903 175300
1904 188300
1905 176700
1906 189500
1907 170800
1908 190500
1909 187900
1910 194800
1911 208600
1912 168600
1913 178100
1914 171000
1915 171700
1916 162100
1917 169500
1918 218000
1919 171200
1920 197600
1921 187000
1922 170500
1923 169300
1924 154100
1925 147900
1926 145700
1927 131000
1928 144100
1929 133100
1930 141200
1931 134600
1932 122700
1933 116900
1934 112500
1935 108500
1936 105800
1937 123900
1938 113000
1939 117700
1940 126000
1941 123700
1942 97630
1943 92130
1944 79960
1945 73890
1946 70590
1947 61670
1948 56120
1949 55650
1950 68330
1951 58040
1952 50710
1953 46080
1954 43880
1955 43280
1956 43050
1957 42560
1958 41640
1959 40010
1960 37880
1961 35390
1962 32840
1963 30400
1964 28320
1965 26600
1966 25110
1967 23670
1968 22200
1969 20620
1970 19090
1971 17590
1972 16390
1973 15770
1974 15860
1975 16280
1976 16300
1977 15570
1978 14240
1979 12640
1980 11060
1981 9647
1982 8458
1983 7475
1984 6612
1985 5973
1986 5481
1987 5189
1988 5024
1989 4881
1990 4666
1991 4426
1992 4209
1993 3896
1994 3584
1995 3282
1996 2984
1997 2763
1998 2599
1999 2474
2000 2439
2001 2436
2002 2514
2003 2614
2004 2665
2005 2679
2006 2674
2007 2590
2008 2515
2009 2402
2010 2249
2011 2132
2012 1978
2013 1808
2014 1665
2015 1566