| Value | Category | Cases | |
|---|---|---|---|
| -88 | Don't know | 3 |
33.3%
|
| 8 | 1 |
11.1%
|
|
| 9 | 4 |
44.4%
|
|
| 10 | 1 |
11.1%
|
|
| Sysmiss | 150 |