| Value | Category | Cases | |
|---|---|---|---|
| 1 | lot_difficulty | 34 |
4.3%
|
| 2 | no_difficulty | 567 |
72.4%
|
| 3 | prefer_no_answer | 1 |
0.1%
|
| 4 | some_difficulty | 84 |
10.7%
|
| Missing value | 97 |
12.4%
|