| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | easier | 2139 | 2217 |
67.3%
|
| 2 | harder | 977 | 882 |
26.8%
|
| 3 | same | 176 | 193 |
5.9%
|
| 9 | 1 | 2 |
0.1%
|