| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 110 |
1.3%
|
| 2 | No | 8422 |
96.1%
|
| 8 | DK | 228 |
2.6%
|
| 9 | Missing | 2 |
0%
|
| Sysmiss | 837 |