| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month and year | 5469 |
60.4%
|
| 2 | Month and age -y imp | 42 |
0.5%
|
| 3 | Year and age - m imp | 0 |
0%
|
| 4 | not coded | 0 |
0%
|
| 5 | Year - a, m imp | 2592 |
28.6%
|
| 6 | Age - y, m imp | 788 |
8.7%
|
| 7 | Month - a, y imp | 60 |
0.7%
|
| 8 | None - all imp | 105 |
1.2%
|
| Sysmiss | 7666 |