| Value | Category | Cases | |
|---|---|---|---|
| -97 | Refused | 56 |
1.2%
|
| 0 | No difficulty | 4387 |
93.8%
|
| 1 | Some difficulty | 204 |
4.4%
|
| 2 | A lot of difficulty | 10 |
0.2%
|
| 3 | Cannot do entirely | 18 |
0.4%
|