| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no | 1970 |
29.4%
|
| 1 | vaccination date on card | 1786 |
26.6%
|
| 2 | reported by mother | 2636 |
39.3%
|
| 3 | vaccination marked on card | 153 |
2.3%
|
| 8 | don't know | 159 |
2.4%
|
| Sysmiss | 4924 |