| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 513 |
45.9%
|
| 1 | Yes | 573 |
51.3%
|
| 8 | Don't know | 31 |
2.8%
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 17 |