| Value |
Category |
| 01 |
Month, year, and day complete |
| 02 |
Month and year complete |
| 03 |
Year and season |
| 04 |
Year, season, and age - month imputed |
| 05 |
Year and age - month imputed |
| 06 |
Year and age - year ignored |
| 07 |
Month and age - year imputed |
| 08 |
Year - age calculated, month imputed |
| 09 |
Year - age and month imputed |
| 10 |
Age - year calculated, month imputed |
| 11 |
Age - year and month imputed |
| 12 |
Month - age, year imputed |
| 13 |
None - all inputed |
| 96 |
Inconsistent |
| 99 |
NIU (not in universe) |
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.