| Value | Category | Cases | |
|---|---|---|---|
| 0 | 744 |
97.4%
|
|
| 1 | 20 |
2.6%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 3693 |