| Value | Category | Cases | |
|---|---|---|---|
| 1 | average | 113 |
7.7%
|
| 2 | good | 882 |
60.3%
|
| 3 | poor | 69 |
4.7%
|
| 4 | very_good | 233 |
15.9%
|
| 5 | very_poor | 5 |
0.3%
|
| Missing value | 160 |
10.9%
|