| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 122 |
9.6%
|
| 2 | Fairly good | 319 |
25%
|
| 3 | Bad | 370 |
29%
|
| 4 | Very bad | 188 |
14.7%
|
| Sysmiss | 277 |
21.7%
|