| Value | Category | Cases | |
|---|---|---|---|
| 1 | Difficult | 14 |
10.9%
|
| 2 | Somewhat difficult | 25 |
19.4%
|
| 3 | Easy | 49 |
38%
|
| 4 | Very Easy | 8 |
6.2%
|
| 5 | do not access this information | 33 |
25.6%
|
| Sysmiss | 462 |