| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 229 |
23.4%
|
| 2 | Somewhat difficult | 421 |
43%
|
| 3 | Not difficult at all | 324 |
33.1%
|
| 4 | (DK) | 5 |
0.5%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 21 |