| Value | Category | Cases | |
|---|---|---|---|
| 1 | average | 26 |
1.8%
|
| 2 | dont_know | 1 |
0.1%
|
| 3 | useful | 750 |
51.5%
|
| 4 | very_useful | 613 |
42.1%
|
| Missing value | 67 |
4.6%
|