| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 687 |
88.6%
|
| 1 | Yes | 52 |
6.7%
|
| 8 | DK | 31 |
4%
|
| 9 | 5 |
0.6%
|
|
| Sysmiss | 308 |