| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 369 |
39.2%
|
| 2 | Somewhat difficult | 357 |
37.9%
|
| 3 | Not difficult at all | 212 |
22.5%
|
| 4 | (DK) | 4 |
0.4%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 58 |