| Value | Category | Cases | |
|---|---|---|---|
| 0 | No: don't know | 1837 |
86.7%
|
| 1 | Yes | 47 |
2.2%
|
| 8 | Don't know | 235 |
11.1%
|
| 9 | 2 | ||
| Sysmiss | 451 |