| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 588 |
66.4%
|
| 2 | Somewhat difficult | 247 |
27.9%
|
| 3 | Not difficult at all | 47 |
5.3%
|
| 4 | (DK) | 2 |
0.2%
|
| 5 | (ref) | 1 |
0.1%
|
| Sysmiss | 115 |