| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No ther person within hearing range at any time | 666 |
66.7%
|
| 2 | 2. 1+ persons within hearing range for part of interview | 218 |
21.8%
|
| 3 | 3. 1+ persons within hearing range for all of the interview | 114 |
11.4%
|
| 9 | 9. Don't know | 1 |
0.1%
|