| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3749 |
59.7%
|
| 1 | Yes | 1114 |
17.7%
|
| 8 | Don't know | 1420 |
22.6%
|
| 9 | 7 | ||
| Sysmiss | 1695 |