| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, no difficulty | 25640 |
96.1%
|
| 2 | Yes, some | 632 |
2.4%
|
| 3 | Yes, a lot | 105 |
0.4%
|
| 4 | Cannot do | 292 |
1.1%
|
| Sysmiss | 583 |