| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. No | 637 |
26.3%
|
| 1 | 1. Yes | 1679 |
69.4%
|
| 7 | 7. Don't know | 103 |
4.3%
|
| 9 | 9. Refuse | 0 |
0%
|
| Sysmiss | 34 |