| Value | Category | Cases | |
|---|---|---|---|
| 1 | NOT_USEFUL | 4 |
1.9%
|
| 2 | SOMEHOW_USEFUL | 4 |
1.9%
|
| 3 | USEFUL | 57 |
26.6%
|
| 4 | VERY_USEFUL | 84 |
39.3%
|
| Missing value | 65 |
30.4%
|