Year Number of
1800 14350
1801 14870
1802 15430
1803 14360
1804 15730
1805 15790
1806 14740
1807 15040
1808 12800
1809 11490
1810 15250
1811 14020
1812 14750
1813 13770
1814 14050
1815 14330
1816 14340
1817 14420
1818 14330
1819 13640
1820 13780
1821 15990
1822 14000
1823 15750
1824 14760
1825 14740
1826 15260
1827 15290
1828 16680
1829 16600
1830 16590
1831 16130
1832 16160
1833 14820
1834 17800
1835 17600
1836 16090
1837 15950
1838 16340
1839 16670
1840 16890
1841 16610
1842 17710
1843 16970
1844 16370
1845 16560
1846 15830
1847 16530
1848 18250
1849 19000
1850 19060
1851 20980
1852 20100
1853 20720
1854 22120
1855 21870
1856 22440
1857 20880
1858 22440
1859 21820
1860 22150
1861 23540
1862 22790
1863 22010
1864 23700
1865 21690
1866 20340
1867 20990
1868 29270
1869 13410
1870 13950
1871 14790
1872 18290
1873 19930
1874 20310
1875 18770
1876 18160
1877 18800
1878 21180
1879 17660
1880 20940
1881 22600
1882 22270
1883 19790
1884 20490
1885 21610
1886 22690
1887 18690
1888 19090
1889 18980
1890 19320
1891 22960
1892 23590
1893 18800
1894 18610
1895 17570
1896 18700
1897 17360
1898 19280
1899 22140
1900 24400
1901 23830
1902 19710
1903 19040
1904 19040
1905 19980
1906 19650
1907 18660
1908 19700
1909 18030
1910 18440
1911 17350
1912 16620
1913 15940
1914 15250
1915 14690
1916 14890
1917 16310
1918 17790
1919 15420
1920 15630
1921 11760
1922 11890
1923 12000
1924 12440
1925 9592
1926 9174
1927 10460
1928 9235
1929 10280
1930 8012
1931 7853
1932 7763
1933 8386
1934 8588
1935 7625
1936 7685
1937 7929
1938 7862
1939 8484
1940 9891
1941 7983
1942 6704
1943 7087
1944 9401
1945 9068
1946 7039
1947 7104
1948 6128
1949 5546
1950 4966
1951 4282
1952 3602
1953 3118
1954 2810
1955 2642
1956 2532
1957 2503
1958 2481
1959 2447
1960 2363
1961 2251
1962 2106
1963 1937
1964 1770
1965 1620
1966 1499
1967 1379
1968 1270
1969 1173
1970 1075
1971 984
1972 891
1973 812
1974 754
1975 703
1976 675
1977 660
1978 653
1979 636
1980 617
1981 582
1982 550
1983 509
1984 476
1985 455
1986 444
1987 432
1988 424
1989 414
1990 408
1991 400
1992 394
1993 389
1994 376
1995 356
1996 327
1997 298
1998 273
1999 245
2000 230
2001 222
2002 219
2003 221
2004 223
2005 223
2006 216
2007 214
2008 203
2009 198
2010 186
2011 179
2012 164
2013 156
2014 142
2015 134