| Value | Category | Cases | |
|---|---|---|---|
| 1 | complaint_boxes | 82 |
5.1%
|
| 2 | helpdesk | 48 |
3%
|
| 3 | hotlines | 395 |
24.4%
|
| 4 | other | 2 |
0.1%
|
| 5 | personal_contact | 418 |
25.9%
|
| Missing value | 671 |
41.5%
|