| Value | Category | Cases | |
|---|---|---|---|
| 1 | No Difficulty | 67915 |
91.4%
|
| 2 | Some Difficulty | 5718 |
7.7%
|
| 3 | A lot of Difficulty | 570 |
0.8%
|
| 4 | Cannot do at all / Unable to do | 82 |
0.1%
|