| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 448 |
55.2%
|
| 2 | SOME DIFFICULTY | 2 |
0.2%
|
| 4 | CANNOT HEAR AT ALL | 2 |
0.2%
|
| Sysmiss | 359 |
44.3%
|