| Value | Category | Cases | |
|---|---|---|---|
| 0 | It's not difficult at all | 91 |
38.6%
|
| 1 | It's a bit difficult | 119 |
50.4%
|
| 2 | it is very difficult | 21 |
8.9%
|
| 3 | It is extremely difficult | 5 |
2.1%
|
| Sysmiss | 84 |