| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't Know | 1 |
20%
|
| -8 | -8. Refused | 0 |
0%
|
| 17 | 1 |
20%
|
|
| 20 | 1 |
20%
|
|
| 25 | 1 |
20%
|
|
| 26 | 1 |
20%
|
|
| Sysmiss | 94 |