| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2064 |
18.3%
|
| 2 | No | 4963 |
44.1%
|
| 8 | Don't know | 4229 |
37.6%
|
| 9 | 12 | ||
| Sysmiss | 3641 |