| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1521 |
29.7%
|
| 1 | vaccination date on card | 2443 |
47.7%
|
| 2 | reported by mother | 1034 |
20.2%
|
| 3 | vaccination marked on card | 48 |
0.9%
|
| 8 | don't know | 75 |
1.5%
|
| Sysmiss | 30489 |