| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1%
|
| 1 | Someone familiar known through personal interactions | 34 |
35.1%
|
| 2 | Someone familiar known as repeated customer | 43 |
44.3%
|
| 3 | Someone unfamiliar | 19 |
19.6%
|