| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 187 |
23%
|
| 2 | Somewhat difficult | 385 |
47.4%
|
| 3 | Not difficult at all | 231 |
28.4%
|
| 4 | (DK) | 9 |
1.1%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 188 |