| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No difficulty | 45964 | 4199754 |
97.8%
|
| 1 | Some difficulty | 583 | 48138 |
1.1%
|
| 2 | Great difficulty | 423 | 34021 |
0.8%
|
| 3 | Could not entirely | 140 | 11400 |
0.3%
|