| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 6760 |
88.6%
|
| 2 | SOME DIFFICULTY | 610 |
8%
|
| 3 | A LOT OF DIFFICULTY | 53 |
0.7%
|
| 4 | CANNOT CONTROL BEHAVIOUR AT ALL | 18 |
0.2%
|
| 9 | NO RESPONSE | 4 |
0.1%
|
| Sysmiss | 183 |
2.4%
|