| Value |
Category |
| 1 |
January |
| 2 |
February |
| 3 |
March |
| 6 |
June |
| 8 |
August |
| 9 |
September |
| z |
Not applicable |
| d |
Inconsistency set to 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.