| Value | Category | Cases | |
|---|---|---|---|
| -88 | Don't know | 3 |
27.3%
|
| 8 | 2 |
18.2%
|
|
| 9 | 5 |
45.5%
|
|
| 10 | 1 |
9.1%
|
|
| Sysmiss | 148 |