| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1811 |
31.2%
|
| 1 | vaccination date on card | 2563 |
44.2%
|
| 2 | reported by mother | 1356 |
23.4%
|
| 3 | vaccination marked on card | 26 |
0.4%
|
| 8 | don't know | 47 |
0.8%
|
| Sysmiss | 32643 |