| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, no difficulty at all | 19275 |
98.1%
|
| 2 | Yes, some difficulty | 164 |
0.8%
|
| 3 | Yes, a lot of difficulty | 60 |
0.3%
|
| 4 | Cannot hear at all | 44 |
0.2%
|
| 9 | Unspecified | 112 |
0.6%
|