| Value | Category | Cases | |
|---|---|---|---|
| 44 | Vaccination given but no date recorded | 27 |
0.6%
|
| 55 | invalid dates | 53 |
1.2%
|
| 66 | Vaccination given but date not legible | 2 |
0%
|
| 99 | Not Applicable | 4267 |
98.1%
|
| Sysmiss | 1045 |