| Value | Category | Cases | |
|---|---|---|---|
| 1 | Just after birth | 301 |
56.7%
|
| 2 | Later | 176 |
33.1%
|
| 3 | 1 |
0.2%
|
|
| 9 | 53 |
10%
|
|
| Sysmiss | 188 |