| Value | Category | Cases | |
|---|---|---|---|
| 0 | 751 |
29.9%
|
|
| 1 | 1763 |
70.1%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 8978 |