Value |
Category |
0 |
1900 |
1 |
1901 |
2 |
1902 |
4 |
1904 |
5 |
1905 |
6 |
1906 |
7 |
1907 |
8 |
1908 |
9 |
1909 |
10 |
1910 |
11 |
1911 |
12 |
1912 |
13 |
1913 |
14 |
1914 |
15 |
1915 |
16 |
1916 |
17 |
1917 |
18 |
1918 |
19 |
1919 |
20 |
1920 |
21 |
1921 |
22 |
1922 |
23 |
1923 |
24 |
1924 |
25 |
1925 |
26 |
1926 |
27 |
1927 |
28 |
1928 |
29 |
1929 |
30 |
1930 |
31 |
1931 |
32 |
1932 |
33 |
1933 |
34 |
1934 |
35 |
1935 |
36 |
1936 |
37 |
1937 |
38 |
1938 |
39 |
1939 |
40 |
1940 |
41 |
1941 |
42 |
1942 |
43 |
1943 |
44 |
1944 |
45 |
1945 |
46 |
1946 |
47 |
1947 |
48 |
1948 |
49 |
1949 |
50 |
1950 |
51 |
1951 |
52 |
1952 |
53 |
1953 |
54 |
1954 |
55 |
1955 |
56 |
1956 |
57 |
1957 |
58 |
1958 |
59 |
1959 |
60 |
1960 |
61 |
1961 |
62 |
1962 |
63 |
1963 |
64 |
1964 |
65 |
1965 |
66 |
1966 |
67 |
1967 |
68 |
1968 |
69 |
1969 |
70 |
1970 |
71 |
1971 |
72 |
1972 |
73 |
1973 |
74 |
1974 |
75 |
1975 |
76 |
1976 |
77 |
1977 |
78 |
1978 |
79 |
1979 |
80 |
1980 |
98 |
Unknown |
99 |
NIU (not in universe) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.