| Value | Category | Cases | |
|---|---|---|---|
| 1 | a_lot_of_difficulty | 8 |
0.5%
|
| 2 | cannot_do_at_all | 2 |
0.1%
|
| 3 | no_difficulty | 1349 |
75.9%
|
| 4 | some_difficulty | 35 |
2%
|
| Missing value | 383 |
21.6%
|