| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 745 |
88.8%
|
| 2 | SOME DIFFICULTY | 20 |
2.4%
|
| 3 | A LOT OF DIFFICULTY | 4 |
0.5%
|
| 4 | CANNOT HEAR AT ALL | 2 |
0.2%
|
| Sysmiss | 68 |
8.1%
|