| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 550 |
10.7%
|
| 1 | vaccination date on card | 3381 |
66%
|
| 2 | reported by mother | 1125 |
22%
|
| 3 | vaccination marked on card | 47 |
0.9%
|
| 8 | don't know | 18 |
0.4%
|
| Sysmiss | 30489 |