| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Simple | 0 |
0%
|
| 2 | Simple | 10 |
7.4%
|
| 3 | OK | 61 |
45.2%
|
| 4 | Difficult | 55 |
40.7%
|
| 5 | Very difficult | 9 |
6.7%
|
| Sysmiss | 885 |