| Value | Category | Cases | |
|---|---|---|---|
| 1 | Difficult | 24 |
11.9%
|
| 2 | Somewhat difficult | 40 |
19.9%
|
| 3 | Easy | 77 |
38.3%
|
| 4 | Very Easy | 4 |
2%
|
| 5 | do not access this information | 56 |
27.9%
|
| Sysmiss | 390 |