| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 364 |
39%
|
| 2 | Somewhat difficult | 373 |
40%
|
| 3 | Not difficult at all | 193 |
20.7%
|
| 4 | (DK) | 3 |
0.3%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 67 |