| Value | Category | Cases | |
|---|---|---|---|
| 1 | average | 85 |
5.8%
|
| 2 | dont_know | 42 |
2.9%
|
| 3 | not_useful | 28 |
1.9%
|
| 4 | not_useful_at_all | 2 |
0.1%
|
| 5 | useful | 673 |
46.2%
|
| 6 | very_useful | 320 |
22%
|
| Missing value | 307 |
21.1%
|