| Value |
Category |
| 1 |
month and year - information complete |
| 5 |
year - month imputed, age calculated |
| 7 |
month - date placed |
| 8 |
none - date placed |
| 9 |
from calendar |
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.