| Value | Category | Cases | |
|---|---|---|---|
| 1 | very good | 9 |
3.7%
|
| 2 | good | 72 |
29.6%
|
| 3 | satisfactory | 127 |
52.3%
|
| 4 | bad | 31 |
12.8%
|
| 5 | very bad | 4 |
1.6%
|
| Sysmiss | 1 |