| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 253 |
33%
|
| 1 | Yes | 498 |
64.9%
|
| 98 | I do not know | 15 |
2%
|
| 99 | Refused | 1 |
0.1%
|
| Sysmiss | 1548 |