| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1369 |
21.5%
|
| 1 | vaccination date on card | 4101 |
64.5%
|
| 2 | reported by mother | 821 |
12.9%
|
| 3 | vaccination marked on card | 29 |
0.5%
|
| 8 | don't know | 40 |
0.6%
|
| Sysmiss | 34034 |