| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1432 |
50.7%
|
| 2 | SOME DIFFICULTY | 147 |
5.2%
|
| 3 | A LOT OF DIFFICULTY | 20 |
0.7%
|
| 4 | CANNOT BE UNDERSTOOD AT ALL | 5 |
0.2%
|
| 9 | NO RESPONSE | 2 |
0.1%
|
| Sysmiss | 1218 |
43.1%
|