| value | category | cases | |
|---|---|---|---|
| 1 | Month and year | 776 |
86.4%
|
| 2 | Month and age -y imp | 0 |
0%
|
| 3 | Year and age - m imp | 3 |
0.3%
|
| 4 | Y & age - y ignored | 74 |
8.2%
|
| 5 | Year - a, m imp | 45 |
5%
|
| 6 | Age - y, m imp | 0 |
0%
|
| 7 | Month - a, y imp | 0 |
0%
|
| 8 | None - all imp | 0 |
0%
|
| Sysmiss | 1442 |