| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No difficulty | 38858 | 39020 |
94.5%
|
| 1 | Some difficulty | 1363 | 1277 |
3.1%
|
| 2 | Great difficulty | 883 | 819 |
2%
|
| 3 | Could not entirely | 199 | 187 |
0.5%
|