| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 51 |
5.5%
|
| 2 | No | 856 |
91.8%
|
| 3 | Don't know | 18 |
1.9%
|
| 4 | Refused | 7 |
0.8%
|
| Sysmiss | 68 |