| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not acceptable | 1891 |
24.8%
|
| 1 | Acceptable | 4346 |
57.1%
|
| 8 | Don't know | 1379 |
18.1%
|
| 9 | 4 | ||
| Sysmiss | 365 |