| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 59 |
11.5%
|
| 1 | Yes | 50 |
9.8%
|
| 7 | N/A | 402 |
78.7%
|
| 8 | DK | 0 |
0%
|
| Sysmiss | 1 |