| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 317 |
36.3%
|
| 2 | Somewhat difficult | 365 |
41.8%
|
| 3 | Not difficult at all | 186 |
21.3%
|
| 4 | (DK) | 5 |
0.6%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 127 |