| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 482 |
50.5%
|
| 2 | Somewhat difficult | 308 |
32.3%
|
| 3 | Not difficult at all | 165 |
17.3%
|
| 4 | (DK) | 0 |
0%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 45 |