| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 35277 |
86.9%
|
| 2 | SOME DIFFICULTY | 3337 |
8.2%
|
| 3 | A LOT OF DIFFICULTY | 685 |
1.7%
|
| 4 | CANNOT CONTROL BEHAVIOUR AT ALL | 208 |
0.5%
|
| Sysmiss | 1110 |
2.7%
|