| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not wrong at all | 4 |
0.4%
|
| 2 | Wrong but understandable | 79 |
7.5%
|
| 3 | Wrong and punishable | 963 |
91.9%
|
| 9 | Don't know | 2 |
0.2%
|