| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very simple | 8 |
36.4%
|
| 2 | Simple | 14 |
63.6%
|
| 3 | Neither simple nor difficult | 0 |
0%
|
| 4 | Difficult | 0 |
0%
|
| 5 | Very difficult | 0 |
0%
|
| 8 | Don't know | 0 |
0%
|