| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 4540 |
76.9%
|
| 2 | Month and age -y imp | 2 |
0%
|
| 3 | Year and age - m imp | 0 |
0%
|
| 4 | 0 |
0%
|
|
| 5 | Year - a, m imp | 1107 |
18.8%
|
| 6 | Age - y, m imp | 225 |
3.8%
|
| 7 | Month - a, y imp | 3 |
0.1%
|
| 8 | None - all imp | 27 |
0.5%
|
| Sysmiss | 2540 |