| Value | Category | Cases | |
|---|---|---|---|
| 44 | Vaccination given but no date recorded | 10 |
0.2%
|
| 55 | invalid dates | 27 |
0.6%
|
| 66 | Vaccination given but date not legible | 3 |
0.1%
|
| 99 | Not Applicable | 4297 |
99.1%
|
| Sysmiss | 1057 |