| Value | Category | Cases | |
|---|---|---|---|
| 0 | 707 |
97.2%
|
|
| 1 | 20 |
2.8%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 3730 |