| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 542 |
9.3%
|
| 1 | vaccination date on card | 3994 |
68.8%
|
| 2 | reported by mother | 1187 |
20.5%
|
| 3 | vaccination marked on card | 74 |
1.3%
|
| 8 | don't know | 6 |
0.1%
|
| Sysmiss | 32643 |