| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.5%
|
| 1 | Possible to achieve without much effort | 15 |
6.8%
|
| 2 | Possible to achieve with some effort | 64 |
29%
|
| 3 | Possible to achieve with normal amount of effort | 39 |
17.6%
|
| 4 | Possible to achieve with more than normal effort | 70 |
31.7%
|
| 5 | Only possible to achieve with extraordinary effort | 18 |
8.1%
|
| 6 | Targets were not achieved | 14 |
6.3%
|
| Sysmiss | 492 |