| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 777 |
13.4%
|
| 1 | vaccination date on card | 3775 |
65.1%
|
| 2 | reported by mother | 1170 |
20.2%
|
| 3 | vaccination marked on card | 65 |
1.1%
|
| 8 | don't know | 16 |
0.3%
|
| Sysmiss | 32643 |