| Value | Category | Cases | |
|---|---|---|---|
| 1 | month and year | 7761 |
68.8%
|
| 2 | month and age -y imp | 23 |
0.2%
|
| 3 | year and age - m imp | 0 |
0%
|
| 4 | 0 |
0%
|
|
| 5 | year - a, m imp | 2740 |
24.3%
|
| 6 | age - y, m imp | 304 |
2.7%
|
| 7 | month - a, y imp | 22 |
0.2%
|
| 8 | none - all imp | 433 |
3.8%
|
| Sysmiss | 3663 |