| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. No | 1978 |
80.7%
|
| 1 | 1. Yes | 473 |
19.3%
|
| 7 | 7. Don't know | 0 |
0%
|
| 9 | 9. Refuse | 0 |
0%
|
| Sysmiss | 2 |