| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 253 |
28.4%
|
| 2 | Somewhat difficult | 258 |
29%
|
| 3 | Not difficult at all | 368 |
41.3%
|
| 4 | (DK) | 12 |
1.3%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 112 |