| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 768 |
90.8%
|
| 2 | No | 71 |
8.4%
|
| 8 | Don't know | 4 |
0.5%
|
| 9 | Refused | 3 |
0.4%
|
| Sysmiss | 164 |