| Value | Category | Cases | |
|---|---|---|---|
| 1 | average | 46 |
3.2%
|
| 2 | dont_know | 1 |
0.1%
|
| 3 | not_useful | 1 |
0.1%
|
| 4 | useful | 701 |
48.1%
|
| 5 | very_useful | 373 |
25.6%
|
| Missing value | 335 |
23%
|