| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 10 |
1.9%
|
| 1 | Within the first week after birth | 420 |
79.4%
|
| 2 | Within the first month after birth | 70 |
13.2%
|
| 3 | After the first month | 27 |
5.1%
|
| 4 | Never immunised | 2 |
0.4%
|
| Sysmiss | 9371 |