| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 17851 |
30.8%
|
| 2 | yes on recall | 29241 |
50.4%
|
| 3 | no | 10872 |
18.8%
|
| 4 | polio campaign | 0 |
0%
|
| Sysmiss | 2655 |