| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 2 |
2.2%
|
| 2 | moderately difficult | 3 |
3.3%
|
| 3 | moderately easy | 17 |
18.9%
|
| 4 | very easy | 63 |
70%
|
| 95 | missing | 0 |
0%
|
| 96 | Other | 0 |
0%
|
| 99 | N/a | 5 |
5.6%
|