| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 51976 |
96.7%
|
| 2 | Yes, some difficulty | 1151 |
2.1%
|
| 3 | Yes, a lot of difficulty | 522 |
1%
|
| 4 | Yes, Cannot do at all | 84 |
0.2%
|
| 97 | Don't know | 1 |
0%
|
| 98 | Refused | 0 |
0%
|
| Sysmiss | 8751 |