| Value | Category | Cases | |
|---|---|---|---|
| 44 | Vaccination given but no date recorded | 15 |
0.3%
|
| 55 | invalid dates | 39 |
0.9%
|
| 66 | Vaccination given but date not legible | 6 |
0.1%
|
| 99 | Not Applicable | 4279 |
98.6%
|
| Sysmiss | 1055 |