| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 8 |
1.6%
|
| 2 | No | 500 |
97.8%
|
| 3 | Don't know | 0 |
0%
|
| 4 | Refused | 3 |
0.6%
|
| Sysmiss | 489 |