| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 |
3.2%
|
| 2 | No | 493 |
88.4%
|
| 3 | Not yet six months | 47 |
8.4%
|
| 8 | DK | 0 |
0%
|
| 9 | 6 | ||
| Sysmiss | 9806 |