| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2471 |
78.3%
|
|
| 1 | 685 |
21.7%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 1301 |