| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. No | 1254 |
51.8%
|
| 1 | 1. Yes | 924 |
38.2%
|
| 7 | 7. Don't know | 240 |
9.9%
|
| 9 | 9. Refuse | 1 |
0%
|
| Sysmiss | 34 |