| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 30398 |
90.7%
|
| 2 | Yes, some difficulty | 2576 |
7.7%
|
| 3 | Yes, a lot of difficulty | 511 |
1.5%
|
| 4 | Yes, Cannot do at all | 32 |
0.1%
|
| 98 | Dont know | 6 |
0%
|
| 99 | Refused | 2 |
0%
|
| Sysmiss | 19408 |