| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 |
3.1%
|
| 2 | No | 543 |
93.5%
|
| 3 | Don't know | 20 |
3.4%
|
| 4 | Refused | 0 |
0%
|
| Sysmiss | 419 |