| Value | Category | Cases | |
|---|---|---|---|
| -96 | Other (Specify) | 110 |
0.5%
|
| 0 | None | 12753 |
62.1%
|
| 1 | Suggestion Box | 286 |
1.4%
|
| 2 | Administering Questionnaire | 82 |
0.4%
|
| 3 | Verbal | 1206 |
5.9%
|
| 4 | Internal research Department | 52 |
0.3%
|
| 5 | External research Department | 20 |
0.1%
|
| 6 | Telephone | 5794 |
28.2%
|
| 7 | Internet | 240 |
1.2%
|
| Sysmiss | 3621 |