Value |
Category |
1 |
Month and year |
2 |
Month and age -y imp |
5 |
Year - a, m imp |
6 |
Age - y, m imp |
7 |
Month - a, y imp |
8 |
None - all imp |
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.