| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, no difficulty at all | 18592 |
98%
|
| 2 | Yes, some difficulty | 234 |
1.2%
|
| 3 | Yes, a lot of difficulty | 94 |
0.5%
|
| 4 | Cannot hear at all | 22 |
0.1%
|
| 9 | Unspecified | 28 |
0.1%
|