| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 308 |
2.3%
|
| 2 | No | 12927 |
97.6%
|
| 8 | DK | 12 |
0.1%
|
| 9 | Missing | 4 |
0%
|
| Sysmiss | 2919 |