| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 170 |
23.7%
|
| 2 | No | 510 |
71.2%
|
| 3 | Don't know | 30 |
4.2%
|
| 4 | Refused | 6 |
0.8%
|
| Sysmiss | 284 |