| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1617 |
88.7%
|
| 2 | SOME DIFFICULTY | 106 |
5.8%
|
| 3 | A LOT OF DIFFICULTY | 9 |
0.5%
|
| 4 | CANNOT CONTROL BEHAVIOUR AT ALL | 1 |
0.1%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 90 |
4.9%
|