| Value | Category | Cases | |
|---|---|---|---|
| 1 | Difficult | 18 |
5%
|
| 2 | Somewhat difficult | 47 |
13%
|
| 3 | Easy | 171 |
47.4%
|
| 4 | Very Easy | 32 |
8.9%
|
| 5 | do not access this information | 93 |
25.8%
|
| Sysmiss | 230 |