| Value | Category | Cases | |
|---|---|---|---|
| 1 | No – no difficulty | 2779 |
84.9%
|
| 2 | Yes – some difficulty | 372 |
11.4%
|
| 3 | Yes – a lot of difficulty | 96 |
2.9%
|
| 4 | Cannot do at all | 21 |
0.6%
|
| 8 | Do not know | 6 |
0.2%
|
| Sysmiss | 31 |