| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. No | 122 |
10%
|
| 1 | 1. Yes | 1019 |
83.1%
|
| 7 | 7. Don't know | 85 |
6.9%
|
| 9 | 9. Refuse | 0 |
0%
|
| Sysmiss | 1227 |