| value | category | cases | |
|---|---|---|---|
| 1 | Month and year | 977 |
9.3%
|
| 2 | Month and age -y imp | 17 |
0.2%
|
| 3 | Year and age - m imp | 0 |
0%
|
| 4 | 0 |
0%
|
|
| 5 | Year - a, m imp | 2419 |
23.1%
|
| 6 | Age - y, m imp | 7073 |
67.4%
|
| 7 | Month - a, y imp | 0 |
0%
|
| 8 | None - all imp | 5 |
0%
|
| Sysmiss | 154 |