| Value | Category | Cases | |
|---|---|---|---|
| 1 | complaint_boxes | 384 |
16.4%
|
| 2 | helpdesk | 480 |
20.5%
|
| 3 | hotlines | 466 |
19.9%
|
| 4 | other | 1 |
0%
|
| 5 | personal_contact | 469 |
20.1%
|
| Missing value | 539 |
23%
|