| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 22 |
3.8%
|
| 2 | No | 558 |
95.7%
|
| 3 | Don't know | 1 |
0.2%
|
| 4 | Refused | 2 |
0.3%
|
| Sysmiss | 423 |