| Value | Category | Cases | |
|---|---|---|---|
| 1 | Definitely not | 522 |
22.8%
|
| 2 | It may not be difficult | 569 |
24.9%
|
| 3 | It may be difficult | 746 |
32.6%
|
| 4 | Certainly it will be difficult | 451 |
19.7%
|
| Sysmiss | 12 |