| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 287 |
33.5%
|
| 2 | Somewhat difficult | 356 |
41.5%
|
| 3 | Not difficult at all | 206 |
24%
|
| 4 | (DK) | 8 |
0.9%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 143 |