| Value | Category | Cases | |
|---|---|---|---|
| 0 | 302 |
95.3%
|
|
| 1 | 15 |
4.7%
|
|
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | Not applicable | 0 | |
| Sysmiss | 4140 |