| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 4 |
4.2%
|
| 2 | moderately difficult | 4 |
4.2%
|
| 3 | moderately easy | 5 |
5.2%
|
| 4 | very easy | 3 |
3.1%
|
| 95 | missing | 0 |
0%
|
| 96 | Other | 0 |
0%
|
| 99 | N/a | 80 |
83.3%
|