| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 962 |
15.1%
|
| 1 | vaccination date on card | 4403 |
69.2%
|
| 2 | reported by mother | 930 |
14.6%
|
| 3 | vaccination marked on card | 25 |
0.4%
|
| 8 | don't know | 40 |
0.6%
|
| Sysmiss | 34034 |