| Value |
Category |
| 0 |
Not given |
| 44 |
Marked on card - no date given |
| 66 |
Reported by mother |
| 97 |
Inconsistency |
| 98 |
DK |
| 99 |
Missing |
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.