| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 52215 |
97.2%
|
| 2 | Yes, some difficulty | 1167 |
2.2%
|
| 3 | Yes, a lot of difficulty | 324 |
0.6%
|
| 4 | Yes, Cannot do at all | 27 |
0.1%
|
| 97 | Don't know | 1 |
0%
|
| 98 | Refused | 0 |
0%
|
| Sysmiss | 8751 |