| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 3671 |
58%
|
| 2 | SOME DIFFICULTY | 30 |
0.5%
|
| 3 | A LOT OF DIFFICULTY | 5 |
0.1%
|
| 4 | CANNOT HEAR AT ALL | 2 |
0%
|
| 9 | NO RESPONSE | 8 |
0.1%
|
| Sysmiss | 2612 |