| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 12 |
2.1%
|
| 2 | No | 566 |
96.8%
|
| 3 | Don't know | 1 |
0.2%
|
| 4 | Refused | 6 |
1%
|
| Sysmiss | 415 |