| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 14580 |
22.2%
|
| 2 | yes on recall | 29428 |
44.7%
|
| 3 | no | 2049 |
3.1%
|
| 4 | polio compaign | 19764 |
30%
|
| Sysmiss | 1905 |