| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refuse to answer | 0 |
0%
|
| -88 | No answer | 0 |
0%
|
| -77 | Not applicable | 165 |
66%
|
| -66 | Don't know | 0 |
0%
|
| 1 | Product | 0 |
0%
|
| 2 | Service | 85 |
34%
|