| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 872 |
86.3%
|
| 2 | SOME DIFFICULTY | 93 |
9.2%
|
| 3 | A LOT OF DIFFICULTY | 15 |
1.5%
|
| 4 | CANNOT CONTROL BEHAVIOUR AT ALL | 1 |
0.1%
|
| Sysmiss | 29 |
2.9%
|