| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 15898 |
27.4%
|
| 2 | yes on recall | 25555 |
44.1%
|
| 3 | no | 806 |
1.4%
|
| 4 | polio campaign | 15705 |
27.1%
|
| Sysmiss | 2655 |