| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 34 |
5.1%
|
| 2 | No | 560 |
83.7%
|
| 3 | Not yet six months | 75 |
11.2%
|
| 8 | DK | 0 |
0%
|
| 9 | 6 | ||
| Sysmiss | 9695 |