| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 813 |
12.8%
|
| 1 | vaccination date on card | 4524 |
71.1%
|
| 2 | reported by mother | 962 |
15.1%
|
| 3 | vaccination marked on card | 23 |
0.4%
|
| 8 | don't know | 38 |
0.6%
|
| Sysmiss | 34034 |