| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 736 |
93.9%
|
| 2 | SOME DIFFICULTY | 21 |
2.7%
|
| 3 | A LOT OF DIFFICULTY | 4 |
0.5%
|
| 4 | CANNOT BE UNDERSTOOD AT ALL | 3 |
0.4%
|
| Sysmiss | 20 |
2.6%
|