| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 53128 |
98.9%
|
| 2 | Yes, some difficulty | 325 |
0.6%
|
| 3 | Yes, a lot of difficulty | 201 |
0.4%
|
| 4 | Yes, Cannot do at all | 78 |
0.1%
|
| 97 | Don't know | 2 |
0%
|
| 98 | Refused | 0 |
0%
|
| Sysmiss | 8751 |