| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 292 |
32.3%
|
| 2 | Somewhat difficult | 339 |
37.5%
|
| 3 | Not difficult at all | 253 |
28%
|
| 4 | (DK) | 19 |
2.1%
|
| 5 | (ref) | 2 |
0.2%
|
| Sysmiss | 95 |