| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 17 |
2.6%
|
| 2 | No | 636 |
97.2%
|
| 3 | Don't know | 0 |
0%
|
| 4 | Refused | 1 |
0.2%
|
| Sysmiss | 346 |