| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 15163 |
23%
|
| 2 | yes on recall | 29935 |
45.5%
|
| 3 | no | 833 |
1.3%
|
| 4 | polio compaign | 19890 |
30.2%
|
| Sysmiss | 1905 |