| value | category | cases | |
|---|---|---|---|
| 1 | Month and year | 118 |
73.8%
|
| 2 | Month and age -y imp | 0 |
0%
|
| 3 | Year and age - m imp | 1 |
0.6%
|
| 4 | Y & age - y ignored | 22 |
13.8%
|
| 5 | Year - a, m imp | 17 |
10.6%
|
| 6 | Age - y, m imp | 0 |
0%
|
| 7 | Month - a, y imp | 0 |
0%
|
| 8 | None - all imp | 2 |
1.3%
|
| Sysmiss | 12317 |