| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 401 |
45.1%
|
| 2 | Somewhat difficult | 352 |
39.6%
|
| 3 | Not difficult at all | 136 |
15.3%
|
| 4 | (DK) | 0 |
0%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 111 |