| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 4357 |
85.1%
|
| 1 | vaccination date on card | 390 |
7.6%
|
| 2 | reported by mother | 307 |
6%
|
| 3 | vaccination marked on card | 13 |
0.3%
|
| 8 | don't know | 54 |
1.1%
|
| Sysmiss | 30489 |