| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 3440 |
67.2%
|
| 1 | vaccination date on card | 1094 |
21.4%
|
| 2 | reported by mother | 548 |
10.7%
|
| 3 | vaccination marked on card | 29 |
0.6%
|
| 8 | don't know | 10 |
0.2%
|
| Sysmiss | 30489 |