| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 402 |
67.3%
|
| 1 | Yes | 174 |
29.1%
|
| 8 | DK | 0 |
0%
|
| 9 | 21 |
3.5%
|
|
| Sysmiss | 486 |