| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 61488 |
99.7%
|
| 2 | Month and age -y imp | 21 |
0%
|
| 3 | Year and age - m imp | 103 |
0.2%
|
| 5 | Year - a, m imp | 64 |
0.1%
|
| 6 | Age - y, m imp | 13 |
0%
|
| 8 | None - all imp | 14 |
0%
|