| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 265 |
31.3%
|
| 2 | Somewhat difficult | 307 |
36.2%
|
| 3 | Not difficult at all | 267 |
31.5%
|
| 4 | (DK) | 9 |
1.1%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 152 |