| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 14808 |
73.8%
|
| 2 | SOME DIFFICULTY | 4175 |
20.8%
|
| 3 | A LOT OF DIFFICULTY | 935 |
4.7%
|
| 4 | CANNOT CONTROL BEHAVIOUR AT ALL | 154 |
0.8%
|
| 9 | NO RESPONSE | 5 |
0%
|
| Sysmiss | 145 |