| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 129 |
14%
|
| 2 | Somewhat difficult | 294 |
32%
|
| 3 | Not difficult at all | 488 |
53.1%
|
| 4 | (DK) | 8 |
0.9%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 86 |