| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 3394 |
54.5%
|
| 2 | SOME DIFFICULTY | 352 |
5.7%
|
| 3 | A LOT OF DIFFICULTY | 14 |
0.2%
|
| 4 | CANNOT BE UNDERSTOOD AT ALL | 7 |
0.1%
|
| 9 | NO RESPONSE | 3 |
0%
|
| Sysmiss | 2453 |
39.4%
|