| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 19 |
7.8%
|
| 2 | No | 217 |
89.3%
|
| 8 | Don't know | 5 |
2.1%
|
| 9 | Refused | 2 |
0.8%
|
| Sysmiss | 757 |