| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 128 |
17.6%
|
| 2 | No | 556 |
76.6%
|
| 3 | Don't know | 41 |
5.6%
|
| 4 | Refused | 1 |
0.1%
|
| Sysmiss | 274 |