| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No other person within hearing range | 31 |
67.4%
|
| 2 | 2. 1+ persons within hearing-part time | 11 |
23.9%
|
| 3 | 3. 1+ persons within hearing-all time | 4 |
8.7%
|
| 9 | 9. Don't know | 0 |
0%
|
| Sysmiss | 53 |