| Value | Category | Cases | |
|---|---|---|---|
| 1 | No – no difficulty | 2853 |
87%
|
| 2 | Yes – some difficulty | 306 |
9.3%
|
| 3 | Yes – a lot of difficulty | 91 |
2.8%
|
| 4 | Cannot do at all | 28 |
0.9%
|
| 8 | Do not know | 2 |
0.1%
|
| Sysmiss | 25 |