| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 889 |
15.3%
|
| 1 | vaccination date on card | 3797 |
65.4%
|
| 2 | reported by mother | 1044 |
18%
|
| 3 | vaccination marked on card | 67 |
1.2%
|
| 8 | don't know | 6 |
0.1%
|
| Sysmiss | 32643 |