| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1978 |
38.6%
|
| 1 | vaccination date on card | 2152 |
42%
|
| 2 | reported by mother | 891 |
17.4%
|
| 3 | vaccination marked on card | 46 |
0.9%
|
| 8 | don't know | 54 |
1.1%
|
| Sysmiss | 30489 |