| Value | Category | Cases | |
|---|---|---|---|
| 1 | AlotOfDifficulty | 892 |
3.3%
|
| 2 | CannotDoAtAll | 70 |
0.3%
|
| 3 | NoDifficulty | 19740 |
73.7%
|
| 4 | SomeDifficulty | 2084 |
7.8%
|
| Missing value | 4005 |
14.9%
|