Year Number of
1800 1955
1801 1955
1802 1955
1803 1955
1804 1955
1805 1955
1806 1955
1807 1955
1808 1955
1809 1955
1810 1955
1811 1956
1812 1957
1813 1960
1814 1963
1815 1967
1816 1972
1817 1978
1818 1985
1819 1993
1820 2001
1821 2011
1822 2021
1823 2032
1824 2045
1825 2058
1826 2072
1827 2087
1828 2103
1829 2120
1830 2138
1831 2157
1832 2176
1833 2195
1834 2215
1835 2234
1836 2254
1837 2274
1838 2294
1839 2315
1840 2335
1841 2356
1842 2377
1843 2398
1844 2419
1845 2441
1846 2462
1847 2484
1848 2506
1849 2528
1850 2551
1851 2557
1852 2563
1853 2569
1854 2572
1855 2578
1856 2583
1857 2589
1858 2595
1859 2601
1860 2602
1861 2607
1862 2613
1863 2635
1864 2654
1865 2677
1866 2696
1867 2719
1868 2743
1869 2762
1870 2786
1871 2806
1872 2831
1873 2850
1874 2874
1875 2900
1876 2920
1877 2945
1878 2965
1879 2991
1880 3017
1881 3038
1882 3064
1883 3086
1884 3112
1885 3134
1886 3161
1887 3188
1888 3211
1889 3239
1890 3261
1891 3290
1892 3318
1893 3342
1894 3371
1895 3394
1896 3423
1897 3446
1898 3475
1899 3503
1900 3525
1901 3553
1902 3574
1903 3601
1904 3627
1905 3647
1906 3673
1907 3691
1908 3716
1909 3734
1910 3758
1911 3762
1912 3766
1913 3777
1914 3780
1915 3784
1916 3788
1917 3791
1918 3802
1919 3806
1920 3809
1921 3716
1922 3624
1923 3539
1924 3450
1925 3361
1926 3273
1927 3198
1928 3118
1929 3033
1930 2965
1931 2896
1932 2827
1933 2759
1934 2691
1935 2623
1936 2556
1937 2488
1938 2421
1939 2354
1940 2287
1941 2230
1942 2164
1943 2098
1944 2032
1945 1966
1946 1901
1947 1837
1948 1773
1949 1709
1950 1646
1951 1650
1952 1653
1953 1651
1954 1634
1955 1612
1956 1567
1957 1526
1958 1461
1959 1401
1960 1327
1961 1248
1962 1165
1963 1084
1964 1002
1965 920
1966 841
1967 773
1968 708
1969 650
1970 599
1971 560
1972 525
1973 498
1974 473
1975 447
1976 423
1977 403
1978 385
1979 370
1980 329
1981 325
1982 320
1983 312
1984 309
1985 284
1986 257
1987 228
1988 201
1989 179
1990 163
1991 154
1992 148
1993 145
1994 144
1995 141
1996 138
1997 133
1998 127
1999 121
2000 115
2001 108
2002 103
2003 97
2004 91
2005 86
2006 79
2007 74
2008 67
2009 61
2010 56
2011 50
2012 44
2013 39
2014 36
2015 33