| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 146 |
3.4%
|
| 2 | No | 3974 |
91.5%
|
| 8 | DK | 221 |
5.1%
|
| 9 | Missing | 1 |
0%
|
| Sysmiss | 303 |