| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 449 |
50.6%
|
| 2 | Somewhat difficult | 378 |
42.6%
|
| 3 | Not difficult at all | 61 |
6.9%
|
| 4 | (DK) | 0 |
0%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 114 |