| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1903 |
10.2%
|
| 2 | No | 3836 |
20.6%
|
| 8 | DK | 19 |
0.1%
|
| 9 | Missing | 19 |
0.1%
|
| Sysmiss | 12837 |
69%
|