| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 18043 |
27.4%
|
| 2 | yes on recall | 32210 |
48.9%
|
| 3 | no | 15568 |
23.7%
|
| 4 | polio compaign | 0 |
0%
|
| Sysmiss | 1905 |