| Value |
Category |
| 100 |
Immediately after birth |
| 199 |
Days, missing number |
| 299 |
Months, missing number |
| 399 |
Years, missing number |
| 997 |
Inconsistent |
| 998 |
Don't know |
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.