| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 13923 |
21.2%
|
| 2 | yes on recall | 28734 |
43.7%
|
| 3 | no | 3592 |
5.5%
|
| 4 | polio compaign | 19572 |
29.7%
|
| Sysmiss | 1905 |