Value | Category |
---|---|
0 | NIU (not in universe) |
1 | January |
2 | February |
3 | March |
4 | April |
5 | May |
6 | June |
7 | July |
8 | August |
9 | September |
10 | October |
11 | November |
12 | December |
99 | Unknown |
var_concept.title | Vocabulary |
---|---|
Fertility and Mortality Variables -- PERSON | IPUMS |