| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 1 | Possible to achieve without much effort | 47 |
16.3%
|
| 2 | Possible to achieve with some effort | 68 |
23.6%
|
| 3 | Possible to achieve with normal amount of effort | 70 |
24.3%
|
| 4 | Possible to achieve with more than normal effort | 62 |
21.5%
|
| 5 | Only possible to achieve with extraordinary effort | 17 |
5.9%
|
| 6 | Targets were not achieved | 23 |
8%
|
| Sysmiss | 72 |