| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 81 |
6.3%
|
| 1 | Yes | 34 |
2.6%
|
| -88 | Don't know | 41 |
3.2%
|
| -555 | 1 |
0.1%
|
|
| -222 | 1133 |
87.8%
|
|
| Sysmiss | 8 |