| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3176 |
16.2%
|
| 2 | No | 6176 |
31.5%
|
| 3 | Don't know | 10267 |
52.3%
|
| 4 | 4 |
0%
|
|
| 5 | 1 |
0%
|
|
| Sysmiss | 174 |