Year Number of
1800 1421
1801 1418
1802 1414
1803 1411
1804 1408
1805 1405
1806 1401
1807 1398
1808 1394
1809 1391
1810 1387
1811 1385
1812 1384
1813 1383
1814 1384
1815 1386
1816 1389
1817 1393
1818 1398
1819 1433
1820 1471
1821 1510
1822 1551
1823 1594
1824 1640
1825 1688
1826 1738
1827 1790
1828 1845
1829 1904
1830 1965
1831 2029
1832 2095
1833 2162
1834 2204
1835 2246
1836 2289
1837 2333
1838 2378
1839 2423
1840 2470
1841 2517
1842 2565
1843 2613
1844 2661
1845 2709
1846 2758
1847 2807
1848 2855
1849 2905
1850 2954
1851 3004
1852 3052
1853 3100
1854 3147
1855 3193
1856 3238
1857 3281
1858 3325
1859 3366
1860 3407
1861 3446
1862 3485
1863 3522
1864 3560
1865 3596
1866 3632
1867 3668
1868 3703
1869 3737
1870 3770
1871 3803
1872 3835
1873 3867
1874 3900
1875 3933
1876 3967
1877 4000
1878 4034
1879 4069
1880 4105
1881 4140
1882 4175
1883 4212
1884 4248
1885 4285
1886 4322
1887 4360
1888 4399
1889 4438
1890 4478
1891 4519
1892 4560
1893 4602
1894 4645
1895 4688
1896 4732
1897 4768
1898 4795
1899 4814
1900 4824
1901 4826
1902 4842
1903 4824
1904 4795
1905 4756
1906 4706
1907 3335
1908 3474
1909 2706
1910 2840
1911 2749
1912 4299
1913 2487
1914 4081
1915 1938
1916 2403
1917 2849
1918 2010
1919 3422
1920 2607
1921 3806
1922 1757
1923 3434
1924 2764
1925 2876
1926 2883
1927 1840
1928 3013
1929 2167
1930 2133
1931 2799
1932 1895
1933 2286
1934 2531
1935 2214
1936 2026
1937 2256
1938 2333
1939 2081
1940 1960
1941 2476
1942 1963
1943 1869
1944 1974
1945 1735
1946 1902
1947 2002
1948 1877
1949 1550
1950 1513
1951 1665
1952 1779
1953 1681
1954 1192
1955 1031
1956 906
1957 805
1958 726
1959 664
1960 615
1961 574
1962 536
1963 496
1964 456
1965 417
1966 373
1967 329
1968 288
1969 253
1970 228
1971 210
1972 200
1973 194
1974 187
1975 177
1976 163
1977 146
1978 128
1979 115
1980 105
1981 101
1982 101
1983 102
1984 104
1985 103
1986 99
1987 93
1988 85
1989 78
1990 72
1991 68
1992 65
1993 63
1994 62
1995 60
1996 59
1997 58
1998 57
1999 57
2000 58
2001 59
2002 60
2003 61
2004 61
2005 60
2006 59
2007 56
2008 53
2009 51
2010 49
2011 48
2012 47
2013 46
2014 45
2015 44