| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refuse | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | No | 12404 |
31.7%
|
| 1 | Yes | 26772 |
68.3%
|
| Sysmiss | 3244 |