| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 233 |
26.3%
|
| 2 | Somewhat difficult | 362 |
40.9%
|
| 3 | Not difficult at all | 275 |
31%
|
| 4 | (DK) | 14 |
1.6%
|
| 5 | (ref) | 2 |
0.2%
|
| Sysmiss | 114 |