| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1158 |
18.2%
|
| 1 | vaccination date on card | 4235 |
66.6%
|
| 2 | reported by mother | 899 |
14.1%
|
| 3 | vaccination marked on card | 30 |
0.5%
|
| 8 | don't know | 38 |
0.6%
|
| Sysmiss | 34034 |