| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 1228 |
21%
|
| 1 | vaccination date on card | 1884 |
32.2%
|
| 2 | reported by mother | 2451 |
42%
|
| 3 | vaccination marked on card | 144 |
2.5%
|
| 8 | don't know | 135 |
2.3%
|
| Sysmiss | 9872 |