| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 58 |
11.4%
|
| 1 | Yes | 5 |
1%
|
| 7 | N/A | 447 |
87.6%
|
| 8 | DK | 0 |
0%
|
| Sysmiss | 2 |