| Value | Category | Cases | |
|---|---|---|---|
| 1 | very good | 20 |
0.4%
|
| 2 | good | 876 |
16.9%
|
| 3 | satisfactory | 3191 |
61.6%
|
| 4 | bad | 921 |
17.8%
|
| 5 | very bad | 176 |
3.4%
|